39884320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:410

約数の個数: 96

約数和(自身を含む): 108864000

約数和(自身を除く): 68979680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 149, 160, 224, 239, 280, 298, 478, 560, 596, 745, 956, 1043, 1120, 1192, 1195, 1490, 1673, 1912, 2086, 2384, 2390, 2980, 3346, 3824, 4172, 4768, 4780, 5215, 5960, 6692, 7648, 8344, 8365, 9560, 10430, 11920, 13384, 16688, 16730, 19120, 20860, 23840, 26768, 33376, 33460, 35611, 38240, 41720, 53536, 66920, 71222, 83440, 133840, 142444, 166880, 178055, 249277, 267680, 284888, 356110, 498554, 569776, 712220, 997108, 1139552, 1246385, 1424440, 1994216, 2492770, 2848880, 3988432, 4985540, 5697760, 7976864, 9971080, 19942160, 39884320]

約数ペア:

[(1, 39884320), (2, 19942160), (4, 9971080), (5, 7976864), (7, 5697760), (8, 4985540), (10, 3988432), (14, 2848880), (16, 2492770), (20, 1994216), (28, 1424440), (32, 1246385), (35, 1139552), (40, 997108), (56, 712220), (70, 569776), (80, 498554), (112, 356110), (140, 284888), (149, 267680), (160, 249277), (224, 178055), (239, 166880), (280, 142444), (298, 133840), (478, 83440), (560, 71222), (596, 66920), (745, 53536), (956, 41720), (1043, 38240), (1120, 35611), (1192, 33460), (1195, 33376), (1490, 26768), (1673, 23840), (1912, 20860), (2086, 19120), (2384, 16730), (2390, 16688), (2980, 13384), (3346, 11920), (3824, 10430), (4172, 9560), (4768, 8365), (4780, 8344), (5215, 7648), (5960, 6692)]