8871320

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1693}}^1$

素因数の和:1835

約数の個数: 32

約数和(自身を含む): 20124720

約数和(自身を除く): 11253400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 1693, 2620, 3386, 5240, 6772, 8465, 13544, 16930, 33860, 67720, 221783, 443566, 887132, 1108915, 1774264, 2217830, 4435660, 8871320]

約数ペア:

[(1, 8871320), (2, 4435660), (4, 2217830), (5, 1774264), (8, 1108915), (10, 887132), (20, 443566), (40, 221783), (131, 67720), (262, 33860), (524, 16930), (655, 13544), (1048, 8465), (1310, 6772), (1693, 5240), (2620, 3386)]