25872680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{577}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 62424000

約数和(自身を除く): 36551320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 236, 295, 380, 472, 577, 590, 760, 1121, 1154, 1180, 2242, 2308, 2360, 2885, 4484, 4616, 5605, 5770, 8968, 10963, 11210, 11540, 21926, 22420, 23080, 34043, 43852, 44840, 54815, 68086, 87704, 109630, 136172, 170215, 219260, 272344, 340430, 438520, 646817, 680860, 1293634, 1361720, 2587268, 3234085, 5174536, 6468170, 12936340, 25872680]

約数ペア:

[(1, 25872680), (2, 12936340), (4, 6468170), (5, 5174536), (8, 3234085), (10, 2587268), (19, 1361720), (20, 1293634), (38, 680860), (40, 646817), (59, 438520), (76, 340430), (95, 272344), (118, 219260), (152, 170215), (190, 136172), (236, 109630), (295, 87704), (380, 68086), (472, 54815), (577, 44840), (590, 43852), (760, 34043), (1121, 23080), (1154, 22420), (1180, 21926), (2242, 11540), (2308, 11210), (2360, 10963), (2885, 8968), (4484, 5770), (4616, 5605)]