8789120

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 21738240

約数和(自身を除く): 12949120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 443, 496, 620, 640, 886, 992, 1240, 1772, 1984, 2215, 2480, 3544, 3968, 4430, 4960, 7088, 8860, 9920, 13733, 14176, 17720, 19840, 27466, 28352, 35440, 54932, 56704, 68665, 70880, 109864, 137330, 141760, 219728, 274660, 283520, 439456, 549320, 878912, 1098640, 1757824, 2197280, 4394560, 8789120]

約数ペア:

[(1, 8789120), (2, 4394560), (4, 2197280), (5, 1757824), (8, 1098640), (10, 878912), (16, 549320), (20, 439456), (31, 283520), (32, 274660), (40, 219728), (62, 141760), (64, 137330), (80, 109864), (124, 70880), (128, 68665), (155, 56704), (160, 54932), (248, 35440), (310, 28352), (320, 27466), (443, 19840), (496, 17720), (620, 14176), (640, 13733), (886, 9920), (992, 8860), (1240, 7088), (1772, 4960), (1984, 4430), (2215, 3968), (2480, 3544)]