130806400

素因数分解:

$2^7\times 5^2\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1062

約数の個数: 96

約数和(自身を含む): 331345980

約数和(自身を除く): 200539580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 128, 160, 164, 200, 205, 320, 328, 400, 410, 640, 656, 800, 820, 997, 1025, 1312, 1600, 1640, 1994, 2050, 2624, 3200, 3280, 3988, 4100, 4985, 5248, 6560, 7976, 8200, 9970, 13120, 15952, 16400, 19940, 24925, 26240, 31904, 32800, 39880, 40877, 49850, 63808, 65600, 79760, 81754, 99700, 127616, 131200, 159520, 163508, 199400, 204385, 319040, 327016, 398800, 408770, 638080, 654032, 797600, 817540, 1021925, 1308064, 1595200, 1635080, 2043850, 2616128, 3190400, 3270160, 4087700, 5232256, 6540320, 8175400, 13080640, 16350800, 26161280, 32701600, 65403200, 130806400]

約数ペア:

[(1, 130806400), (2, 65403200), (4, 32701600), (5, 26161280), (8, 16350800), (10, 13080640), (16, 8175400), (20, 6540320), (25, 5232256), (32, 4087700), (40, 3270160), (41, 3190400), (50, 2616128), (64, 2043850), (80, 1635080), (82, 1595200), (100, 1308064), (128, 1021925), (160, 817540), (164, 797600), (200, 654032), (205, 638080), (320, 408770), (328, 398800), (400, 327016), (410, 319040), (640, 204385), (656, 199400), (800, 163508), (820, 159520), (997, 131200), (1025, 127616), (1312, 99700), (1600, 81754), (1640, 79760), (1994, 65600), (2050, 63808), (2624, 49850), (3200, 40877), (3280, 39880), (3988, 32800), (4100, 31904), (4985, 26240), (5248, 24925), (6560, 19940), (7976, 16400), (8200, 15952), (9970, 13120)]