61438480

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{8629}}^1$

素因数の和:8731

約数の個数: 40

約数和(自身を含む): 144466200

約数和(自身を除く): 83027720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 8629, 17258, 34516, 43145, 69032, 86290, 138064, 172580, 345160, 690320, 767981, 1535962, 3071924, 3839905, 6143848, 7679810, 12287696, 15359620, 30719240, 61438480]

約数ペア:

[(1, 61438480), (2, 30719240), (4, 15359620), (5, 12287696), (8, 7679810), (10, 6143848), (16, 3839905), (20, 3071924), (40, 1535962), (80, 767981), (89, 690320), (178, 345160), (356, 172580), (445, 138064), (712, 86290), (890, 69032), (1424, 43145), (1780, 34516), (3560, 17258), (7120, 8629)]