87293240

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{3373}}^1$

素因数の和:4031

約数の個数: 32

約数和(自身を含む): 196771680

約数和(自身を除く): 109478440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 3235, 3373, 5176, 6470, 6746, 12940, 13492, 16865, 25880, 26984, 33730, 67460, 134920, 2182331, 4364662, 8729324, 10911655, 17458648, 21823310, 43646620, 87293240]

約数ペア:

[(1, 87293240), (2, 43646620), (4, 21823310), (5, 17458648), (8, 10911655), (10, 8729324), (20, 4364662), (40, 2182331), (647, 134920), (1294, 67460), (2588, 33730), (3235, 26984), (3373, 25880), (5176, 16865), (6470, 13492), (6746, 12940)]