39867940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1277}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 96187392

約数和(自身を除く): 56319452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1277, 1561, 2230, 2554, 3122, 4460, 5108, 6244, 6385, 7805, 8939, 12770, 15610, 17878, 25540, 31220, 35756, 44695, 89390, 178780, 284771, 569542, 1139084, 1423855, 1993397, 2847710, 3986794, 5695420, 7973588, 9966985, 19933970, 39867940]

約数ペア:

[(1, 39867940), (2, 19933970), (4, 9966985), (5, 7973588), (7, 5695420), (10, 3986794), (14, 2847710), (20, 1993397), (28, 1423855), (35, 1139084), (70, 569542), (140, 284771), (223, 178780), (446, 89390), (892, 44695), (1115, 35756), (1277, 31220), (1561, 25540), (2230, 17878), (2554, 15610), (3122, 12770), (4460, 8939), (5108, 7805), (6244, 6385)]