80246800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{11801}}^1$

素因数の和:11836

約数の個数: 60

約数和(自身を含む): 204150996

約数和(自身を除く): 123904196

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, 11801, 23602, 47204, 59005, 94408, 118010, 188816, 200617, 236020, 295025, 401234, 472040, 590050, 802468, 944080, 1003085, 1180100, 1604936, 2006170, 2360200, 3209872, 4012340, 4720400, 5015425, 8024680, 10030850, 16049360, 20061700, 40123400, 80246800]

約数ペア:

[(1, 80246800), (2, 40123400), (4, 20061700), (5, 16049360), (8, 10030850), (10, 8024680), (16, 5015425), (17, 4720400), (20, 4012340), (25, 3209872), (34, 2360200), (40, 2006170), (50, 1604936), (68, 1180100), (80, 1003085), (85, 944080), (100, 802468), (136, 590050), (170, 472040), (200, 401234), (272, 295025), (340, 236020), (400, 200617), (425, 188816), (680, 118010), (850, 94408), (1360, 59005), (1700, 47204), (3400, 23602), (6800, 11801)]