51881960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5869}}^1$

素因数の和:5910

約数の個数: 64

約数和(自身を含む): 133131600

約数和(自身を除く): 81249640

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 5869, 8840, 11738, 23476, 29345, 46952, 58690, 76297, 99773, 117380, 152594, 199546, 234760, 305188, 381485, 399092, 498865, 610376, 762970, 798184, 997730, 1297049, 1525940, 1995460, 2594098, 3051880, 3990920, 5188196, 6485245, 10376392, 12970490, 25940980, 51881960]

約数ペア:

[(1, 51881960), (2, 25940980), (4, 12970490), (5, 10376392), (8, 6485245), (10, 5188196), (13, 3990920), (17, 3051880), (20, 2594098), (26, 1995460), (34, 1525940), (40, 1297049), (52, 997730), (65, 798184), (68, 762970), (85, 610376), (104, 498865), (130, 399092), (136, 381485), (170, 305188), (221, 234760), (260, 199546), (340, 152594), (442, 117380), (520, 99773), (680, 76297), (884, 58690), (1105, 46952), (1768, 29345), (2210, 23476), (4420, 11738), (5869, 8840)]