27946840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:892

約数の個数: 64

約数和(自身を含む): 67469760

約数和(自身を除く): 39522920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 740, 821, 851, 920, 1480, 1642, 1702, 3284, 3404, 4105, 4255, 6568, 6808, 8210, 8510, 16420, 17020, 18883, 30377, 32840, 34040, 37766, 60754, 75532, 94415, 121508, 151064, 151885, 188830, 243016, 303770, 377660, 607540, 698671, 755320, 1215080, 1397342, 2794684, 3493355, 5589368, 6986710, 13973420, 27946840]

約数ペア:

[(1, 27946840), (2, 13973420), (4, 6986710), (5, 5589368), (8, 3493355), (10, 2794684), (20, 1397342), (23, 1215080), (37, 755320), (40, 698671), (46, 607540), (74, 377660), (92, 303770), (115, 243016), (148, 188830), (184, 151885), (185, 151064), (230, 121508), (296, 94415), (370, 75532), (460, 60754), (740, 37766), (821, 34040), (851, 32840), (920, 30377), (1480, 18883), (1642, 17020), (1702, 16420), (3284, 8510), (3404, 8210), (4105, 6808), (4255, 6568)]