4198640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1693}}^1$

素因数の和:1737

約数の個数: 40

約数和(自身を含む): 10082688

約数和(自身を除く): 5884048

約数列:

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

約数ペア:

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