64907180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8053}}^1$

素因数の和:8106

約数の個数: 48

約数和(自身を含む): 151544064

約数和(自身を除く): 86636884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8053, 8060, 16106, 32212, 40265, 80530, 104689, 161060, 209378, 249643, 418756, 499286, 523445, 998572, 1046890, 1248215, 2093780, 2496430, 3245359, 4992860, 6490718, 12981436, 16226795, 32453590, 64907180]

約数ペア:

[(1, 64907180), (2, 32453590), (4, 16226795), (5, 12981436), (10, 6490718), (13, 4992860), (20, 3245359), (26, 2496430), (31, 2093780), (52, 1248215), (62, 1046890), (65, 998572), (124, 523445), (130, 499286), (155, 418756), (260, 249643), (310, 209378), (403, 161060), (620, 104689), (806, 80530), (1612, 40265), (2015, 32212), (4030, 16106), (8053, 8060)]