8910620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 19958400

約数和(自身を除く): 11047780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 179, 190, 262, 358, 380, 524, 655, 716, 895, 1310, 1790, 2489, 2620, 3401, 3580, 4978, 6802, 9956, 12445, 13604, 17005, 23449, 24890, 34010, 46898, 49780, 68020, 93796, 117245, 234490, 445531, 468980, 891062, 1782124, 2227655, 4455310, 8910620]

約数ペア:

[(1, 8910620), (2, 4455310), (4, 2227655), (5, 1782124), (10, 891062), (19, 468980), (20, 445531), (38, 234490), (76, 117245), (95, 93796), (131, 68020), (179, 49780), (190, 46898), (262, 34010), (358, 24890), (380, 23449), (524, 17005), (655, 13604), (716, 12445), (895, 9956), (1310, 6802), (1790, 4978), (2489, 3580), (2620, 3401)]