8397280

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1693}}^1$

素因数の和:1739

約数の個数: 48

約数和(自身を含む): 20490624

約数和(自身を除く): 12093344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 1693, 2480, 3386, 4960, 6772, 8465, 13544, 16930, 27088, 33860, 52483, 54176, 67720, 104966, 135440, 209932, 262415, 270880, 419864, 524830, 839728, 1049660, 1679456, 2099320, 4198640, 8397280]

約数ペア:

[(1, 8397280), (2, 4198640), (4, 2099320), (5, 1679456), (8, 1049660), (10, 839728), (16, 524830), (20, 419864), (31, 270880), (32, 262415), (40, 209932), (62, 135440), (80, 104966), (124, 67720), (155, 54176), (160, 52483), (248, 33860), (310, 27088), (496, 16930), (620, 13544), (992, 8465), (1240, 6772), (1693, 4960), (2480, 3386)]