39243520

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 103606272

約数和(自身を除く): 64362752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 43, 46, 62, 64, 80, 86, 92, 115, 124, 128, 155, 160, 172, 184, 215, 230, 248, 256, 310, 320, 344, 368, 430, 460, 496, 620, 640, 688, 713, 736, 860, 920, 989, 992, 1240, 1280, 1333, 1376, 1426, 1472, 1720, 1840, 1978, 1984, 2480, 2666, 2752, 2852, 2944, 3440, 3565, 3680, 3956, 3968, 4945, 4960, 5332, 5504, 5704, 5888, 6665, 6880, 7130, 7360, 7912, 7936, 9890, 9920, 10664, 11008, 11408, 13330, 13760, 14260, 14720, 15824, 19780, 19840, 21328, 22816, 26660, 27520, 28520, 29440, 30659, 31648, 39560, 39680, 42656, 45632, 53320, 55040, 57040, 61318, 63296, 79120, 85312, 91264, 106640, 114080, 122636, 126592, 153295, 158240, 170624, 182528, 213280, 228160, 245272, 253184, 306590, 316480, 341248, 426560, 456320, 490544, 613180, 632960, 853120, 912640, 981088, 1226360, 1265920, 1706240, 1962176, 2452720, 3924352, 4905440, 7848704, 9810880, 19621760, 39243520]

約数ペア:

[(1, 39243520), (2, 19621760), (4, 9810880), (5, 7848704), (8, 4905440), (10, 3924352), (16, 2452720), (20, 1962176), (23, 1706240), (31, 1265920), (32, 1226360), (40, 981088), (43, 912640), (46, 853120), (62, 632960), (64, 613180), (80, 490544), (86, 456320), (92, 426560), (115, 341248), (124, 316480), (128, 306590), (155, 253184), (160, 245272), (172, 228160), (184, 213280), (215, 182528), (230, 170624), (248, 158240), (256, 153295), (310, 126592), (320, 122636), (344, 114080), (368, 106640), (430, 91264), (460, 85312), (496, 79120), (620, 63296), (640, 61318), (688, 57040), (713, 55040), (736, 53320), (860, 45632), (920, 42656), (989, 39680), (992, 39560), (1240, 31648), (1280, 30659), (1333, 29440), (1376, 28520), (1426, 27520), (1472, 26660), (1720, 22816), (1840, 21328), (1978, 19840), (1984, 19780), (2480, 15824), (2666, 14720), (2752, 14260), (2852, 13760), (2944, 13330), (3440, 11408), (3565, 11008), (3680, 10664), (3956, 9920), (3968, 9890), (4945, 7936), (4960, 7912), (5332, 7360), (5504, 7130), (5704, 6880), (5888, 6665)]