79201960

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3089}}^1$

素因数の和:3741

約数の個数: 32

約数和(自身を含む): 178540200

約数和(自身を除く): 99338240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3089, 3205, 5128, 6178, 6410, 12356, 12820, 15445, 24712, 25640, 30890, 61780, 123560, 1980049, 3960098, 7920196, 9900245, 15840392, 19800490, 39600980, 79201960]

約数ペア:

[(1, 79201960), (2, 39600980), (4, 19800490), (5, 15840392), (8, 9900245), (10, 7920196), (20, 3960098), (40, 1980049), (641, 123560), (1282, 61780), (2564, 30890), (3089, 25640), (3205, 24712), (5128, 15445), (6178, 12820), (6410, 12356)]