17804945960

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7297109}}^1$

素因数の和:7297181

約数の個数: 32

約数和(自身を含む): 40717873800

約数和(自身を除く): 22912927840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 7297109, 14594218, 29188436, 36485545, 58376872, 72971090, 145942180, 291884360, 445123649, 890247298, 1780494596, 2225618245, 3560989192, 4451236490, 8902472980, 17804945960]

約数ペア:

[(1, 17804945960), (2, 8902472980), (4, 4451236490), (5, 3560989192), (8, 2225618245), (10, 1780494596), (20, 890247298), (40, 445123649), (61, 291884360), (122, 145942180), (244, 72971090), (305, 58376872), (488, 36485545), (610, 29188436), (1220, 14594218), (2440, 7297109)]