71791460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{659}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 162993600

約数和(自身を除く): 91202140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 419, 659, 838, 1318, 1676, 2095, 2636, 3295, 4190, 5447, 6590, 8380, 8567, 10894, 13180, 17134, 21788, 27235, 34268, 42835, 54470, 85670, 108940, 171340, 276121, 552242, 1104484, 1380605, 2761210, 3589573, 5522420, 7179146, 14358292, 17947865, 35895730, 71791460]

約数ペア:

[(1, 71791460), (2, 35895730), (4, 17947865), (5, 14358292), (10, 7179146), (13, 5522420), (20, 3589573), (26, 2761210), (52, 1380605), (65, 1104484), (130, 552242), (260, 276121), (419, 171340), (659, 108940), (838, 85670), (1318, 54470), (1676, 42835), (2095, 34268), (2636, 27235), (3295, 21788), (4190, 17134), (5447, 13180), (6590, 10894), (8380, 8567)]