63840400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{12277}}^1$

素因数の和:12308

約数の個数: 60

約数和(自身を含む): 165188212

約数和(自身を除く): 101347812

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 12277, 24554, 49108, 61385, 98216, 122770, 159601, 196432, 245540, 306925, 319202, 491080, 613850, 638404, 798005, 982160, 1227700, 1276808, 1596010, 2455400, 2553616, 3192020, 3990025, 4910800, 6384040, 7980050, 12768080, 15960100, 31920200, 63840400]

約数ペア:

[(1, 63840400), (2, 31920200), (4, 15960100), (5, 12768080), (8, 7980050), (10, 6384040), (13, 4910800), (16, 3990025), (20, 3192020), (25, 2553616), (26, 2455400), (40, 1596010), (50, 1276808), (52, 1227700), (65, 982160), (80, 798005), (100, 638404), (104, 613850), (130, 491080), (200, 319202), (208, 306925), (260, 245540), (325, 196432), (400, 159601), (520, 122770), (650, 98216), (1040, 61385), (1300, 49108), (2600, 24554), (5200, 12277)]