158129480

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{6449}}^1$

素因数の和:7073

約数の個数: 32

約数和(自身を含む): 356427000

約数和(自身を除く): 198297520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 3065, 4904, 6130, 6449, 12260, 12898, 24520, 25796, 32245, 51592, 64490, 128980, 257960, 3953237, 7906474, 15812948, 19766185, 31625896, 39532370, 79064740, 158129480]

約数ペア:

[(1, 158129480), (2, 79064740), (4, 39532370), (5, 31625896), (8, 19766185), (10, 15812948), (20, 7906474), (40, 3953237), (613, 257960), (1226, 128980), (2452, 64490), (3065, 51592), (4904, 32245), (6130, 25796), (6449, 24520), (12260, 12898)]