4979840

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 12337920

約数和(自身を除く): 7358080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 251, 310, 320, 496, 502, 620, 640, 992, 1004, 1240, 1255, 1984, 2008, 2480, 2510, 3968, 4016, 4960, 5020, 7781, 8032, 9920, 10040, 15562, 16064, 19840, 20080, 31124, 32128, 38905, 40160, 62248, 77810, 80320, 124496, 155620, 160640, 248992, 311240, 497984, 622480, 995968, 1244960, 2489920, 4979840]

約数ペア:

[(1, 4979840), (2, 2489920), (4, 1244960), (5, 995968), (8, 622480), (10, 497984), (16, 311240), (20, 248992), (31, 160640), (32, 155620), (40, 124496), (62, 80320), (64, 77810), (80, 62248), (124, 40160), (128, 38905), (155, 32128), (160, 31124), (248, 20080), (251, 19840), (310, 16064), (320, 15562), (496, 10040), (502, 9920), (620, 8032), (640, 7781), (992, 5020), (1004, 4960), (1240, 4016), (1255, 3968), (1984, 2510), (2008, 2480)]