8381360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8059}}^1$

素因数の和:8085

約数の個数: 40

約数和(自身を含む): 20988240

約数和(自身を除く): 12606880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 8059, 16118, 32236, 40295, 64472, 80590, 104767, 128944, 161180, 209534, 322360, 419068, 523835, 644720, 838136, 1047670, 1676272, 2095340, 4190680, 8381360]

約数ペア:

[(1, 8381360), (2, 4190680), (4, 2095340), (5, 1676272), (8, 1047670), (10, 838136), (13, 644720), (16, 523835), (20, 419068), (26, 322360), (40, 209534), (52, 161180), (65, 128944), (80, 104767), (104, 80590), (130, 64472), (208, 40295), (260, 32236), (520, 16118), (1040, 8059)]