4905680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:168

約数の個数: 80

約数和(自身を含む): 12655440

約数和(自身を除く): 7749760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 89, 104, 106, 130, 178, 208, 212, 260, 265, 356, 424, 445, 520, 530, 689, 712, 848, 890, 1040, 1060, 1157, 1378, 1424, 1780, 2120, 2314, 2756, 3445, 3560, 4240, 4628, 4717, 5512, 5785, 6890, 7120, 9256, 9434, 11024, 11570, 13780, 18512, 18868, 23140, 23585, 27560, 37736, 46280, 47170, 55120, 61321, 75472, 92560, 94340, 122642, 188680, 245284, 306605, 377360, 490568, 613210, 981136, 1226420, 2452840, 4905680]

約数ペア:

[(1, 4905680), (2, 2452840), (4, 1226420), (5, 981136), (8, 613210), (10, 490568), (13, 377360), (16, 306605), (20, 245284), (26, 188680), (40, 122642), (52, 94340), (53, 92560), (65, 75472), (80, 61321), (89, 55120), (104, 47170), (106, 46280), (130, 37736), (178, 27560), (208, 23585), (212, 23140), (260, 18868), (265, 18512), (356, 13780), (424, 11570), (445, 11024), (520, 9434), (530, 9256), (689, 7120), (712, 6890), (848, 5785), (890, 5512), (1040, 4717), (1060, 4628), (1157, 4240), (1378, 3560), (1424, 3445), (1780, 2756), (2120, 2314)]