51766280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{383}}^1$

素因数の和:534

約数の個数: 64

約数和(自身を含む): 121651200

約数和(自身を除く): 69884920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 109, 124, 155, 218, 248, 310, 383, 436, 545, 620, 766, 872, 1090, 1240, 1532, 1915, 2180, 3064, 3379, 3830, 4360, 6758, 7660, 11873, 13516, 15320, 16895, 23746, 27032, 33790, 41747, 47492, 59365, 67580, 83494, 94984, 118730, 135160, 166988, 208735, 237460, 333976, 417470, 474920, 834940, 1294157, 1669880, 2588314, 5176628, 6470785, 10353256, 12941570, 25883140, 51766280]

約数ペア:

[(1, 51766280), (2, 25883140), (4, 12941570), (5, 10353256), (8, 6470785), (10, 5176628), (20, 2588314), (31, 1669880), (40, 1294157), (62, 834940), (109, 474920), (124, 417470), (155, 333976), (218, 237460), (248, 208735), (310, 166988), (383, 135160), (436, 118730), (545, 94984), (620, 83494), (766, 67580), (872, 59365), (1090, 47492), (1240, 41747), (1532, 33790), (1915, 27032), (2180, 23746), (3064, 16895), (3379, 15320), (3830, 13516), (4360, 11873), (6758, 7660)]