425866220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{52837}}^1$

素因数の和:52890

約数の個数: 48

約数和(自身を含む): 994199808

約数和(自身を除く): 568333588

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, 52837, 105674, 211348, 264185, 528370, 686881, 1056740, 1373762, 1637947, 2747524, 3275894, 3434405, 6551788, 6868810, 8189735, 13737620, 16379470, 21293311, 32758940, 42586622, 85173244, 106466555, 212933110, 425866220]

約数ペア:

[(1, 425866220), (2, 212933110), (4, 106466555), (5, 85173244), (10, 42586622), (13, 32758940), (20, 21293311), (26, 16379470), (31, 13737620), (52, 8189735), (62, 6868810), (65, 6551788), (124, 3434405), (130, 3275894), (155, 2747524), (260, 1637947), (310, 1373762), (403, 1056740), (620, 686881), (806, 528370), (1612, 264185), (2015, 211348), (4030, 105674), (8060, 52837)]