40585780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{151}}^2$

素因数の和:400

約数の個数: 36

約数和(自身を含む): 86762340

約数和(自身を除く): 46176560

約数列:

[1, 2, 4, 5, 10, 20, 89, 151, 178, 302, 356, 445, 604, 755, 890, 1510, 1780, 3020, 13439, 22801, 26878, 45602, 53756, 67195, 91204, 114005, 134390, 228010, 268780, 456020, 2029289, 4058578, 8117156, 10146445, 20292890, 40585780]

約数ペア:

[(1, 40585780), (2, 20292890), (4, 10146445), (5, 8117156), (10, 4058578), (20, 2029289), (89, 456020), (151, 268780), (178, 228010), (302, 134390), (356, 114005), (445, 91204), (604, 67195), (755, 53756), (890, 45602), (1510, 26878), (1780, 22801), (3020, 13439)]