2840872880

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{2089}}^1$

素因数の和:2382

約数の個数: 80

約数和(自身を含む): 6717427200

約数和(自身を除く): 3876554320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 191, 356, 382, 445, 712, 764, 890, 955, 1424, 1528, 1780, 1910, 2089, 3056, 3560, 3820, 4178, 7120, 7640, 8356, 10445, 15280, 16712, 16999, 20890, 33424, 33998, 41780, 67996, 83560, 84995, 135992, 167120, 169990, 185921, 271984, 339980, 371842, 398999, 679960, 743684, 797998, 929605, 1359920, 1487368, 1595996, 1859210, 1994995, 2974736, 3191992, 3718420, 3989990, 6383984, 7436840, 7979980, 14873680, 15959960, 31919920, 35510911, 71021822, 142043644, 177554555, 284087288, 355109110, 568174576, 710218220, 1420436440, 2840872880]

約数ペア:

[(1, 2840872880), (2, 1420436440), (4, 710218220), (5, 568174576), (8, 355109110), (10, 284087288), (16, 177554555), (20, 142043644), (40, 71021822), (80, 35510911), (89, 31919920), (178, 15959960), (191, 14873680), (356, 7979980), (382, 7436840), (445, 6383984), (712, 3989990), (764, 3718420), (890, 3191992), (955, 2974736), (1424, 1994995), (1528, 1859210), (1780, 1595996), (1910, 1487368), (2089, 1359920), (3056, 929605), (3560, 797998), (3820, 743684), (4178, 679960), (7120, 398999), (7640, 371842), (8356, 339980), (10445, 271984), (15280, 185921), (16712, 169990), (16999, 167120), (20890, 135992), (33424, 84995), (33998, 83560), (41780, 67996)]