39671320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 104509440

約数和(自身を除く): 64838120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 31, 40, 46, 52, 62, 65, 92, 104, 107, 115, 124, 130, 155, 184, 214, 230, 248, 260, 299, 310, 403, 428, 460, 520, 535, 598, 620, 713, 806, 856, 920, 1070, 1196, 1240, 1391, 1426, 1495, 1612, 2015, 2140, 2392, 2461, 2782, 2852, 2990, 3224, 3317, 3565, 4030, 4280, 4922, 5564, 5704, 5980, 6634, 6955, 7130, 8060, 9269, 9844, 11128, 11960, 12305, 13268, 13910, 14260, 16120, 16585, 18538, 19688, 24610, 26536, 27820, 28520, 31993, 33170, 37076, 43121, 46345, 49220, 55640, 63986, 66340, 74152, 76291, 86242, 92690, 98440, 127972, 132680, 152582, 159965, 172484, 185380, 215605, 255944, 305164, 319930, 344968, 370760, 381455, 431210, 610328, 639860, 762910, 862420, 991783, 1279720, 1525820, 1724840, 1983566, 3051640, 3967132, 4958915, 7934264, 9917830, 19835660, 39671320]

約数ペア:

[(1, 39671320), (2, 19835660), (4, 9917830), (5, 7934264), (8, 4958915), (10, 3967132), (13, 3051640), (20, 1983566), (23, 1724840), (26, 1525820), (31, 1279720), (40, 991783), (46, 862420), (52, 762910), (62, 639860), (65, 610328), (92, 431210), (104, 381455), (107, 370760), (115, 344968), (124, 319930), (130, 305164), (155, 255944), (184, 215605), (214, 185380), (230, 172484), (248, 159965), (260, 152582), (299, 132680), (310, 127972), (403, 98440), (428, 92690), (460, 86242), (520, 76291), (535, 74152), (598, 66340), (620, 63986), (713, 55640), (806, 49220), (856, 46345), (920, 43121), (1070, 37076), (1196, 33170), (1240, 31993), (1391, 28520), (1426, 27820), (1495, 26536), (1612, 24610), (2015, 19688), (2140, 18538), (2392, 16585), (2461, 16120), (2782, 14260), (2852, 13910), (2990, 13268), (3224, 12305), (3317, 11960), (3565, 11128), (4030, 9844), (4280, 9269), (4922, 8060), (5564, 7130), (5704, 6955), (5980, 6634)]