12649520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12163}}^1$

素因数の和:12189

約数の個数: 40

約数和(自身を含む): 31675056

約数和(自身を除く): 19025536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12163, 24326, 48652, 60815, 97304, 121630, 158119, 194608, 243260, 316238, 486520, 632476, 790595, 973040, 1264952, 1581190, 2529904, 3162380, 6324760, 12649520]

約数ペア:

[(1, 12649520), (2, 6324760), (4, 3162380), (5, 2529904), (8, 1581190), (10, 1264952), (13, 973040), (16, 790595), (20, 632476), (26, 486520), (40, 316238), (52, 243260), (65, 194608), (80, 158119), (104, 121630), (130, 97304), (208, 60815), (260, 48652), (520, 24326), (1040, 12163)]