64180420

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{6961}}^1$

素因数の和:7431

約数の個数: 24

約数和(自身を含む): 135090648

約数和(自身を除く): 70910228

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4610, 6961, 9220, 13922, 27844, 34805, 69610, 139220, 3209021, 6418042, 12836084, 16045105, 32090210, 64180420]

約数ペア:

[(1, 64180420), (2, 32090210), (4, 16045105), (5, 12836084), (10, 6418042), (20, 3209021), (461, 139220), (922, 69610), (1844, 34805), (2305, 27844), (4610, 13922), (6961, 9220)]