39813920

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:418

約数の個数: 96

約数和(自身を含む): 101606400

約数和(自身を除く): 61792480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 80, 92, 115, 124, 155, 160, 184, 230, 248, 310, 349, 368, 460, 496, 620, 698, 713, 736, 920, 992, 1240, 1396, 1426, 1745, 1840, 2480, 2792, 2852, 3490, 3565, 3680, 4960, 5584, 5704, 6980, 7130, 8027, 10819, 11168, 11408, 13960, 14260, 16054, 21638, 22816, 27920, 28520, 32108, 40135, 43276, 54095, 55840, 57040, 64216, 80270, 86552, 108190, 114080, 128432, 160540, 173104, 216380, 248837, 256864, 321080, 346208, 432760, 497674, 642160, 865520, 995348, 1244185, 1284320, 1731040, 1990696, 2488370, 3981392, 4976740, 7962784, 9953480, 19906960, 39813920]

約数ペア:

[(1, 39813920), (2, 19906960), (4, 9953480), (5, 7962784), (8, 4976740), (10, 3981392), (16, 2488370), (20, 1990696), (23, 1731040), (31, 1284320), (32, 1244185), (40, 995348), (46, 865520), (62, 642160), (80, 497674), (92, 432760), (115, 346208), (124, 321080), (155, 256864), (160, 248837), (184, 216380), (230, 173104), (248, 160540), (310, 128432), (349, 114080), (368, 108190), (460, 86552), (496, 80270), (620, 64216), (698, 57040), (713, 55840), (736, 54095), (920, 43276), (992, 40135), (1240, 32108), (1396, 28520), (1426, 27920), (1745, 22816), (1840, 21638), (2480, 16054), (2792, 14260), (2852, 13960), (3490, 11408), (3565, 11168), (3680, 10819), (4960, 8027), (5584, 7130), (5704, 6980)]