204619840

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20627}}^1$

素因数の和:20675

約数の個数: 56

約数和(自身を含む): 502993152

約数和(自身を除く): 298373312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 20627, 41254, 82508, 103135, 165016, 206270, 330032, 412540, 639437, 660064, 825080, 1278874, 1320128, 1650160, 2557748, 3197185, 3300320, 5115496, 6394370, 6600640, 10230992, 12788740, 20461984, 25577480, 40923968, 51154960, 102309920, 204619840]

約数ペア:

[(1, 204619840), (2, 102309920), (4, 51154960), (5, 40923968), (8, 25577480), (10, 20461984), (16, 12788740), (20, 10230992), (31, 6600640), (32, 6394370), (40, 5115496), (62, 3300320), (64, 3197185), (80, 2557748), (124, 1650160), (155, 1320128), (160, 1278874), (248, 825080), (310, 660064), (320, 639437), (496, 412540), (620, 330032), (992, 206270), (1240, 165016), (1984, 103135), (2480, 82508), (4960, 41254), (9920, 20627)]