25130280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29917}}^1$

素因数の和:29938

約数の個数: 64

約数和(自身を含む): 86163840

約数和(自身を除く): 61033560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 29917, 59834, 89751, 119668, 149585, 179502, 209419, 239336, 299170, 359004, 418838, 448755, 598340, 628257, 718008, 837676, 897510, 1047095, 1196680, 1256514, 1675352, 1795020, 2094190, 2513028, 3141285, 3590040, 4188380, 5026056, 6282570, 8376760, 12565140, 25130280]

約数ペア:

[(1, 25130280), (2, 12565140), (3, 8376760), (4, 6282570), (5, 5026056), (6, 4188380), (7, 3590040), (8, 3141285), (10, 2513028), (12, 2094190), (14, 1795020), (15, 1675352), (20, 1256514), (21, 1196680), (24, 1047095), (28, 897510), (30, 837676), (35, 718008), (40, 628257), (42, 598340), (56, 448755), (60, 418838), (70, 359004), (84, 299170), (105, 239336), (120, 209419), (140, 179502), (168, 149585), (210, 119668), (280, 89751), (420, 59834), (840, 29917)]