61161620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3511}}^1$

素因数の和:3600

約数の個数: 48

約数和(自身を含む): 140423808

約数和(自身を除く): 79262188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 3511, 4355, 7022, 8710, 14044, 17420, 17555, 35110, 45643, 70220, 91286, 182572, 228215, 235237, 456430, 470474, 912860, 940948, 1176185, 2352370, 3058081, 4704740, 6116162, 12232324, 15290405, 30580810, 61161620]

約数ペア:

[(1, 61161620), (2, 30580810), (4, 15290405), (5, 12232324), (10, 6116162), (13, 4704740), (20, 3058081), (26, 2352370), (52, 1176185), (65, 940948), (67, 912860), (130, 470474), (134, 456430), (260, 235237), (268, 228215), (335, 182572), (670, 91286), (871, 70220), (1340, 45643), (1742, 35110), (3484, 17555), (3511, 17420), (4355, 14044), (7022, 8710)]