9959680

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 24724224

約数和(自身を除く): 14764544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 251, 256, 310, 320, 496, 502, 620, 640, 992, 1004, 1240, 1255, 1280, 1984, 2008, 2480, 2510, 3968, 4016, 4960, 5020, 7781, 7936, 8032, 9920, 10040, 15562, 16064, 19840, 20080, 31124, 32128, 38905, 39680, 40160, 62248, 64256, 77810, 80320, 124496, 155620, 160640, 248992, 311240, 321280, 497984, 622480, 995968, 1244960, 1991936, 2489920, 4979840, 9959680]

約数ペア:

[(1, 9959680), (2, 4979840), (4, 2489920), (5, 1991936), (8, 1244960), (10, 995968), (16, 622480), (20, 497984), (31, 321280), (32, 311240), (40, 248992), (62, 160640), (64, 155620), (80, 124496), (124, 80320), (128, 77810), (155, 64256), (160, 62248), (248, 40160), (251, 39680), (256, 38905), (310, 32128), (320, 31124), (496, 20080), (502, 19840), (620, 16064), (640, 15562), (992, 10040), (1004, 9920), (1240, 8032), (1255, 7936), (1280, 7781), (1984, 5020), (2008, 4960), (2480, 4016), (2510, 3968)]