39856700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 102660096

約数和(自身を除く): 62803396

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 31, 43, 46, 50, 52, 62, 65, 86, 92, 100, 115, 124, 130, 155, 172, 215, 230, 260, 299, 310, 325, 403, 430, 460, 559, 575, 598, 620, 650, 713, 775, 806, 860, 989, 1075, 1118, 1150, 1196, 1300, 1333, 1426, 1495, 1550, 1612, 1978, 2015, 2150, 2236, 2300, 2666, 2795, 2852, 2990, 3100, 3565, 3956, 4030, 4300, 4945, 5332, 5590, 5980, 6665, 7130, 7475, 8060, 9269, 9890, 10075, 11180, 12857, 13330, 13975, 14260, 14950, 17329, 17825, 18538, 19780, 20150, 24725, 25714, 26660, 27950, 29900, 30659, 33325, 34658, 35650, 37076, 40300, 46345, 49450, 51428, 55900, 61318, 64285, 66650, 69316, 71300, 86645, 92690, 98900, 122636, 128570, 133300, 153295, 173290, 185380, 231725, 257140, 306590, 321425, 346580, 398567, 433225, 463450, 613180, 642850, 766475, 797134, 866450, 926900, 1285700, 1532950, 1594268, 1732900, 1992835, 3065900, 3985670, 7971340, 9964175, 19928350, 39856700]

約数ペア:

[(1, 39856700), (2, 19928350), (4, 9964175), (5, 7971340), (10, 3985670), (13, 3065900), (20, 1992835), (23, 1732900), (25, 1594268), (26, 1532950), (31, 1285700), (43, 926900), (46, 866450), (50, 797134), (52, 766475), (62, 642850), (65, 613180), (86, 463450), (92, 433225), (100, 398567), (115, 346580), (124, 321425), (130, 306590), (155, 257140), (172, 231725), (215, 185380), (230, 173290), (260, 153295), (299, 133300), (310, 128570), (325, 122636), (403, 98900), (430, 92690), (460, 86645), (559, 71300), (575, 69316), (598, 66650), (620, 64285), (650, 61318), (713, 55900), (775, 51428), (806, 49450), (860, 46345), (989, 40300), (1075, 37076), (1118, 35650), (1150, 34658), (1196, 33325), (1300, 30659), (1333, 29900), (1426, 27950), (1495, 26660), (1550, 25714), (1612, 24725), (1978, 20150), (2015, 19780), (2150, 18538), (2236, 17825), (2300, 17329), (2666, 14950), (2795, 14260), (2852, 13975), (2990, 13330), (3100, 12857), (3565, 11180), (3956, 10075), (4030, 9890), (4300, 9269), (4945, 8060), (5332, 7475), (5590, 7130), (5980, 6665)]