61572620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 132523776

約数和(自身を除く): 70951156

約数列:

[1, 2, 4, 5, 10, 20, 71, 131, 142, 262, 284, 331, 355, 524, 655, 662, 710, 1310, 1324, 1420, 1655, 2620, 3310, 6620, 9301, 18602, 23501, 37204, 43361, 46505, 47002, 86722, 93010, 94004, 117505, 173444, 186020, 216805, 235010, 433610, 470020, 867220, 3078631, 6157262, 12314524, 15393155, 30786310, 61572620]

約数ペア:

[(1, 61572620), (2, 30786310), (4, 15393155), (5, 12314524), (10, 6157262), (20, 3078631), (71, 867220), (131, 470020), (142, 433610), (262, 235010), (284, 216805), (331, 186020), (355, 173444), (524, 117505), (655, 94004), (662, 93010), (710, 86722), (1310, 47002), (1324, 46505), (1420, 43361), (1655, 37204), (2620, 23501), (3310, 18602), (6620, 9301)]