39897910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:625

約数の個数: 64

約数和(自身を含む): 84369600

約数和(自身を除く): 44471690

約数列:

[1, 2, 5, 10, 13, 19, 26, 29, 38, 58, 65, 95, 130, 145, 190, 247, 290, 377, 494, 551, 557, 754, 1102, 1114, 1235, 1885, 2470, 2755, 2785, 3770, 5510, 5570, 7163, 7241, 10583, 14326, 14482, 16153, 21166, 32306, 35815, 36205, 52915, 71630, 72410, 80765, 105830, 137579, 161530, 209989, 275158, 306907, 419978, 613814, 687895, 1049945, 1375790, 1534535, 2099890, 3069070, 3989791, 7979582, 19948955, 39897910]

約数ペア:

[(1, 39897910), (2, 19948955), (5, 7979582), (10, 3989791), (13, 3069070), (19, 2099890), (26, 1534535), (29, 1375790), (38, 1049945), (58, 687895), (65, 613814), (95, 419978), (130, 306907), (145, 275158), (190, 209989), (247, 161530), (290, 137579), (377, 105830), (494, 80765), (551, 72410), (557, 71630), (754, 52915), (1102, 36205), (1114, 35815), (1235, 32306), (1885, 21166), (2470, 16153), (2755, 14482), (2785, 14326), (3770, 10583), (5510, 7241), (5570, 7163)]