64661350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3209}}^1$

素因数の和:3265

約数の個数: 48

約数和(自身を含む): 133741440

約数和(自身を除く): 69080090

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 2015, 3209, 4030, 6418, 10075, 16045, 20150, 32090, 41717, 80225, 83434, 99479, 160450, 198958, 208585, 417170, 497395, 994790, 1042925, 1293227, 2085850, 2486975, 2586454, 4973950, 6466135, 12932270, 32330675, 64661350]

約数ペア:

[(1, 64661350), (2, 32330675), (5, 12932270), (10, 6466135), (13, 4973950), (25, 2586454), (26, 2486975), (31, 2085850), (50, 1293227), (62, 1042925), (65, 994790), (130, 497395), (155, 417170), (310, 208585), (325, 198958), (403, 160450), (650, 99479), (775, 83434), (806, 80225), (1550, 41717), (2015, 32090), (3209, 20150), (4030, 16045), (6418, 10075)]