64003701890

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{90146059}}^1$

素因数の和:90146137

約数の個数: 16

約数和(自身を含む): 116829293760

約数和(自身を除く): 52825591870

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 90146059, 180292118, 450730295, 901460590, 6400370189, 12800740378, 32001850945, 64003701890]

約数ペア:

[(1, 64003701890), (2, 32001850945), (5, 12800740378), (10, 6400370189), (71, 901460590), (142, 450730295), (355, 180292118), (710, 90146059)]