131509240

素因数分解:

$2^3\times 5^1\times {\mathrm{929}}^1\times {\mathrm{3539}}^1$

素因数の和:4479

約数の個数: 32

約数和(自身を含む): 296298000

約数和(自身を除く): 164788760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 929, 1858, 3539, 3716, 4645, 7078, 7432, 9290, 14156, 17695, 18580, 28312, 35390, 37160, 70780, 141560, 3287731, 6575462, 13150924, 16438655, 26301848, 32877310, 65754620, 131509240]

約数ペア:

[(1, 131509240), (2, 65754620), (4, 32877310), (5, 26301848), (8, 16438655), (10, 13150924), (20, 6575462), (40, 3287731), (929, 141560), (1858, 70780), (3539, 37160), (3716, 35390), (4645, 28312), (7078, 18580), (7432, 17695), (9290, 14156)]