86745440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17489}}^1$

素因数の和:17535

約数の個数: 48

約数和(自身を含む): 211559040

約数和(自身を除く): 124813600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 17489, 34978, 69956, 87445, 139912, 174890, 279824, 349780, 542159, 559648, 699560, 1084318, 1399120, 2168636, 2710795, 2798240, 4337272, 5421590, 8674544, 10843180, 17349088, 21686360, 43372720, 86745440]

約数ペア:

[(1, 86745440), (2, 43372720), (4, 21686360), (5, 17349088), (8, 10843180), (10, 8674544), (16, 5421590), (20, 4337272), (31, 2798240), (32, 2710795), (40, 2168636), (62, 1399120), (80, 1084318), (124, 699560), (155, 559648), (160, 542159), (248, 349780), (310, 279824), (496, 174890), (620, 139912), (992, 87445), (1240, 69956), (2480, 34978), (4960, 17489)]