2099320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1693}}^1$

素因数の和:1735

約数の個数: 32

約数和(自身を含む): 4878720

約数和(自身を除く): 2779400

約数列:

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

約数ペア:

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