11581520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2039}}^1$

素因数の和:2123

約数の個数: 40

約数和(自身を含む): 27319680

約数和(自身を除く): 15738160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2039, 2840, 4078, 5680, 8156, 10195, 16312, 20390, 32624, 40780, 81560, 144769, 163120, 289538, 579076, 723845, 1158152, 1447690, 2316304, 2895380, 5790760, 11581520]

約数ペア:

[(1, 11581520), (2, 5790760), (4, 2895380), (5, 2316304), (8, 1447690), (10, 1158152), (16, 723845), (20, 579076), (40, 289538), (71, 163120), (80, 144769), (142, 81560), (284, 40780), (355, 32624), (568, 20390), (710, 16312), (1136, 10195), (1420, 8156), (2039, 5680), (2840, 4078)]