8990620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:910

約数の個数: 48

約数和(自身を含む): 20659968

約数和(自身を除く): 11669348

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 853, 1054, 1706, 2108, 2635, 3412, 4265, 5270, 8530, 10540, 14501, 17060, 26443, 29002, 52886, 58004, 72505, 105772, 132215, 145010, 264430, 290020, 449531, 528860, 899062, 1798124, 2247655, 4495310, 8990620]

約数ペア:

[(1, 8990620), (2, 4495310), (4, 2247655), (5, 1798124), (10, 899062), (17, 528860), (20, 449531), (31, 290020), (34, 264430), (62, 145010), (68, 132215), (85, 105772), (124, 72505), (155, 58004), (170, 52886), (310, 29002), (340, 26443), (527, 17060), (620, 14501), (853, 10540), (1054, 8530), (1706, 5270), (2108, 4265), (2635, 3412)]