82378400

素因数分解:

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

素因数の和:211

約数の個数: 108

約数和(自身を含む): 219036762

約数和(自身を除く): 136658362

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 89, 100, 104, 130, 160, 178, 200, 208, 260, 325, 356, 400, 416, 445, 520, 650, 712, 800, 890, 1040, 1157, 1300, 1424, 1780, 2080, 2225, 2314, 2600, 2848, 3560, 4450, 4628, 5200, 5785, 7120, 7921, 8900, 9256, 10400, 11570, 14240, 15842, 17800, 18512, 23140, 28925, 31684, 35600, 37024, 39605, 46280, 57850, 63368, 71200, 79210, 92560, 102973, 115700, 126736, 158420, 185120, 198025, 205946, 231400, 253472, 316840, 396050, 411892, 462800, 514865, 633680, 792100, 823784, 925600, 1029730, 1267360, 1584200, 1647568, 2059460, 2574325, 3168400, 3295136, 4118920, 5148650, 6336800, 8237840, 10297300, 16475680, 20594600, 41189200, 82378400]

約数ペア:

[(1, 82378400), (2, 41189200), (4, 20594600), (5, 16475680), (8, 10297300), (10, 8237840), (13, 6336800), (16, 5148650), (20, 4118920), (25, 3295136), (26, 3168400), (32, 2574325), (40, 2059460), (50, 1647568), (52, 1584200), (65, 1267360), (80, 1029730), (89, 925600), (100, 823784), (104, 792100), (130, 633680), (160, 514865), (178, 462800), (200, 411892), (208, 396050), (260, 316840), (325, 253472), (356, 231400), (400, 205946), (416, 198025), (445, 185120), (520, 158420), (650, 126736), (712, 115700), (800, 102973), (890, 92560), (1040, 79210), (1157, 71200), (1300, 63368), (1424, 57850), (1780, 46280), (2080, 39605), (2225, 37024), (2314, 35600), (2600, 31684), (2848, 28925), (3560, 23140), (4450, 18512), (4628, 17800), (5200, 15842), (5785, 14240), (7120, 11570), (7921, 10400), (8900, 9256)]