39718760

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 93899520

約数和(自身を除く): 54180760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 74, 94, 148, 185, 188, 235, 296, 370, 376, 470, 571, 740, 940, 1142, 1480, 1739, 1880, 2284, 2855, 3478, 4568, 5710, 6956, 8695, 11420, 13912, 17390, 21127, 22840, 26837, 34780, 42254, 53674, 69560, 84508, 105635, 107348, 134185, 169016, 211270, 214696, 268370, 422540, 536740, 845080, 992969, 1073480, 1985938, 3971876, 4964845, 7943752, 9929690, 19859380, 39718760]

約数ペア:

[(1, 39718760), (2, 19859380), (4, 9929690), (5, 7943752), (8, 4964845), (10, 3971876), (20, 1985938), (37, 1073480), (40, 992969), (47, 845080), (74, 536740), (94, 422540), (148, 268370), (185, 214696), (188, 211270), (235, 169016), (296, 134185), (370, 107348), (376, 105635), (470, 84508), (571, 69560), (740, 53674), (940, 42254), (1142, 34780), (1480, 26837), (1739, 22840), (1880, 21127), (2284, 17390), (2855, 13912), (3478, 11420), (4568, 8695), (5710, 6956)]