65501600

素因数分解:

$2^5\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1997}}^1$

素因数の和:2058

約数の個数: 72

約数和(自身を含む): 163887948

約数和(自身を除く): 98386348

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 160, 164, 200, 205, 328, 400, 410, 656, 800, 820, 1025, 1312, 1640, 1997, 2050, 3280, 3994, 4100, 6560, 7988, 8200, 9985, 15976, 16400, 19970, 31952, 32800, 39940, 49925, 63904, 79880, 81877, 99850, 159760, 163754, 199700, 319520, 327508, 399400, 409385, 655016, 798800, 818770, 1310032, 1597600, 1637540, 2046925, 2620064, 3275080, 4093850, 6550160, 8187700, 13100320, 16375400, 32750800, 65501600]

約数ペア:

[(1, 65501600), (2, 32750800), (4, 16375400), (5, 13100320), (8, 8187700), (10, 6550160), (16, 4093850), (20, 3275080), (25, 2620064), (32, 2046925), (40, 1637540), (41, 1597600), (50, 1310032), (80, 818770), (82, 798800), (100, 655016), (160, 409385), (164, 399400), (200, 327508), (205, 319520), (328, 199700), (400, 163754), (410, 159760), (656, 99850), (800, 81877), (820, 79880), (1025, 63904), (1312, 49925), (1640, 39940), (1997, 32800), (2050, 31952), (3280, 19970), (3994, 16400), (4100, 15976), (6560, 9985), (7988, 8200)]