81878800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12041}}^1$

素因数の和:12076

約数の個数: 60

約数和(自身を含む): 208302516

約数和(自身を除く): 126423716

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3400, 6800, 12041, 24082, 48164, 60205, 96328, 120410, 192656, 204697, 240820, 301025, 409394, 481640, 602050, 818788, 963280, 1023485, 1204100, 1637576, 2046970, 2408200, 3275152, 4093940, 4816400, 5117425, 8187880, 10234850, 16375760, 20469700, 40939400, 81878800]

約数ペア:

[(1, 81878800), (2, 40939400), (4, 20469700), (5, 16375760), (8, 10234850), (10, 8187880), (16, 5117425), (17, 4816400), (20, 4093940), (25, 3275152), (34, 2408200), (40, 2046970), (50, 1637576), (68, 1204100), (80, 1023485), (85, 963280), (100, 818788), (136, 602050), (170, 481640), (200, 409394), (272, 301025), (340, 240820), (400, 204697), (425, 192656), (680, 120410), (850, 96328), (1360, 60205), (1700, 48164), (3400, 24082), (6800, 12041)]