12856585240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{356731}}^1$

素因数の和:356812

約数の個数: 64

約数和(自身を含む): 31206915360

約数和(自身を除く): 18350330120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 170, 212, 265, 340, 424, 530, 680, 901, 1060, 1802, 2120, 3604, 4505, 7208, 9010, 18020, 36040, 356731, 713462, 1426924, 1783655, 2853848, 3567310, 6064427, 7134620, 12128854, 14269240, 18906743, 24257708, 30322135, 37813486, 48515416, 60644270, 75626972, 94533715, 121288540, 151253944, 189067430, 242577080, 321414631, 378134860, 642829262, 756269720, 1285658524, 1607073155, 2571317048, 3214146310, 6428292620, 12856585240]

約数ペア:

[(1, 12856585240), (2, 6428292620), (4, 3214146310), (5, 2571317048), (8, 1607073155), (10, 1285658524), (17, 756269720), (20, 642829262), (34, 378134860), (40, 321414631), (53, 242577080), (68, 189067430), (85, 151253944), (106, 121288540), (136, 94533715), (170, 75626972), (212, 60644270), (265, 48515416), (340, 37813486), (424, 30322135), (530, 24257708), (680, 18906743), (901, 14269240), (1060, 12128854), (1802, 7134620), (2120, 6064427), (3604, 3567310), (4505, 2853848), (7208, 1783655), (9010, 1426924), (18020, 713462), (36040, 356731)]