156940030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{2801}}^1$

素因数の和:3252

約数の個数: 32

約数和(自身を含む): 305036928

約数和(自身を除く): 148096898

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 431, 862, 2155, 2801, 4310, 5602, 5603, 11206, 14005, 28010, 28015, 36413, 56030, 72826, 182065, 364130, 1207231, 2414462, 6036155, 12072310, 15694003, 31388006, 78470015, 156940030]

約数ペア:

[(1, 156940030), (2, 78470015), (5, 31388006), (10, 15694003), (13, 12072310), (26, 6036155), (65, 2414462), (130, 1207231), (431, 364130), (862, 182065), (2155, 72826), (2801, 56030), (4310, 36413), (5602, 28015), (5603, 28010), (11206, 14005)]