85778240

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8647}}^1$

素因数の和:8695

約数の個数: 56

約数和(自身を含む): 210872832

約数和(自身を除く): 125094592

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, 8647, 9920, 17294, 34588, 43235, 69176, 86470, 138352, 172940, 268057, 276704, 345880, 536114, 553408, 691760, 1072228, 1340285, 1383520, 2144456, 2680570, 2767040, 4288912, 5361140, 8577824, 10722280, 17155648, 21444560, 42889120, 85778240]

約数ペア:

[(1, 85778240), (2, 42889120), (4, 21444560), (5, 17155648), (8, 10722280), (10, 8577824), (16, 5361140), (20, 4288912), (31, 2767040), (32, 2680570), (40, 2144456), (62, 1383520), (64, 1340285), (80, 1072228), (124, 691760), (155, 553408), (160, 536114), (248, 345880), (310, 276704), (320, 268057), (496, 172940), (620, 138352), (992, 86470), (1240, 69176), (1984, 43235), (2480, 34588), (4960, 17294), (8647, 9920)]