528969740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{65629}}^1$

素因数の和:65682

約数の個数: 48

約数和(自身を含む): 1234894080

約数和(自身を除く): 705924340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 65629, 131258, 262516, 328145, 656290, 853177, 1312580, 1706354, 2034499, 3412708, 4068998, 4265885, 8137996, 8531770, 10172495, 17063540, 20344990, 26448487, 40689980, 52896974, 105793948, 132242435, 264484870, 528969740]

約数ペア:

[(1, 528969740), (2, 264484870), (4, 132242435), (5, 105793948), (10, 52896974), (13, 40689980), (20, 26448487), (26, 20344990), (31, 17063540), (52, 10172495), (62, 8531770), (65, 8137996), (124, 4265885), (130, 4068998), (155, 3412708), (260, 2034499), (310, 1706354), (403, 1312580), (620, 853177), (806, 656290), (1612, 328145), (2015, 262516), (4030, 131258), (8060, 65629)]