1591850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:135

約数の個数: 48

約数和(自身を含む): 3333120

約数和(自身を除く): 1741270

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 79, 130, 155, 158, 310, 325, 395, 403, 650, 775, 790, 806, 1027, 1550, 1975, 2015, 2054, 2449, 3950, 4030, 4898, 5135, 10075, 10270, 12245, 20150, 24490, 25675, 31837, 51350, 61225, 63674, 122450, 159185, 318370, 795925, 1591850]

約数ペア:

[(1, 1591850), (2, 795925), (5, 318370), (10, 159185), (13, 122450), (25, 63674), (26, 61225), (31, 51350), (50, 31837), (62, 25675), (65, 24490), (79, 20150), (130, 12245), (155, 10270), (158, 10075), (310, 5135), (325, 4898), (395, 4030), (403, 3950), (650, 2449), (775, 2054), (790, 2015), (806, 1975), (1027, 1550)]