13467920

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2131}}^1$

素因数の和:2223

約数の個数: 40

約数和(自身を含む): 31724160

約数和(自身を除く): 18256240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 2131, 3160, 4262, 6320, 8524, 10655, 17048, 21310, 34096, 42620, 85240, 168349, 170480, 336698, 673396, 841745, 1346792, 1683490, 2693584, 3366980, 6733960, 13467920]

約数ペア:

[(1, 13467920), (2, 6733960), (4, 3366980), (5, 2693584), (8, 1683490), (10, 1346792), (16, 841745), (20, 673396), (40, 336698), (79, 170480), (80, 168349), (158, 85240), (316, 42620), (395, 34096), (632, 21310), (790, 17048), (1264, 10655), (1580, 8524), (2131, 6320), (3160, 4262)]