39913960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{743}}^1$

素因数の和:850

約数の個数: 64

約数和(自身を含む): 96422400

約数和(自身を除く): 56508440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 158, 170, 316, 340, 395, 632, 680, 743, 790, 1343, 1486, 1580, 2686, 2972, 3160, 3715, 5372, 5944, 6715, 7430, 10744, 12631, 13430, 14860, 25262, 26860, 29720, 50524, 53720, 58697, 63155, 101048, 117394, 126310, 234788, 252620, 293485, 469576, 505240, 586970, 997849, 1173940, 1995698, 2347880, 3991396, 4989245, 7982792, 9978490, 19956980, 39913960]

約数ペア:

[(1, 39913960), (2, 19956980), (4, 9978490), (5, 7982792), (8, 4989245), (10, 3991396), (17, 2347880), (20, 1995698), (34, 1173940), (40, 997849), (68, 586970), (79, 505240), (85, 469576), (136, 293485), (158, 252620), (170, 234788), (316, 126310), (340, 117394), (395, 101048), (632, 63155), (680, 58697), (743, 53720), (790, 50524), (1343, 29720), (1486, 26860), (1580, 25262), (2686, 14860), (2972, 13430), (3160, 12631), (3715, 10744), (5372, 7430), (5944, 6715)]