25440200

素因数分解:

$2^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{971}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 59661360

約数和(自身を除く): 34221160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 131, 200, 262, 524, 655, 971, 1048, 1310, 1942, 2620, 3275, 3884, 4855, 5240, 6550, 7768, 9710, 13100, 19420, 24275, 26200, 38840, 48550, 97100, 127201, 194200, 254402, 508804, 636005, 1017608, 1272010, 2544020, 3180025, 5088040, 6360050, 12720100, 25440200]

約数ペア:

[(1, 25440200), (2, 12720100), (4, 6360050), (5, 5088040), (8, 3180025), (10, 2544020), (20, 1272010), (25, 1017608), (40, 636005), (50, 508804), (100, 254402), (131, 194200), (200, 127201), (262, 97100), (524, 48550), (655, 38840), (971, 26200), (1048, 24275), (1310, 19420), (1942, 13100), (2620, 9710), (3275, 7768), (3884, 6550), (4855, 5240)]