31614280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 74980080

約数和(自身を除く): 43365800

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 74, 82, 148, 164, 185, 205, 296, 328, 370, 410, 521, 740, 820, 1042, 1480, 1517, 1640, 2084, 2605, 3034, 4168, 5210, 6068, 7585, 10420, 12136, 15170, 19277, 20840, 21361, 30340, 38554, 42722, 60680, 77108, 85444, 96385, 106805, 154216, 170888, 192770, 213610, 385540, 427220, 771080, 790357, 854440, 1580714, 3161428, 3951785, 6322856, 7903570, 15807140, 31614280]

約数ペア:

[(1, 31614280), (2, 15807140), (4, 7903570), (5, 6322856), (8, 3951785), (10, 3161428), (20, 1580714), (37, 854440), (40, 790357), (41, 771080), (74, 427220), (82, 385540), (148, 213610), (164, 192770), (185, 170888), (205, 154216), (296, 106805), (328, 96385), (370, 85444), (410, 77108), (521, 60680), (740, 42722), (820, 38554), (1042, 30340), (1480, 21361), (1517, 20840), (1640, 19277), (2084, 15170), (2605, 12136), (3034, 10420), (4168, 7585), (5210, 6068)]