40518880

素因数分解:

$2^5\times 5^1\times {\mathrm{253243}}^1$

素因数の和:253258

約数の個数: 24

約数和(自身を含む): 95726232

約数和(自身を除く): 55207352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 253243, 506486, 1012972, 1266215, 2025944, 2532430, 4051888, 5064860, 8103776, 10129720, 20259440, 40518880]

約数ペア:

[(1, 40518880), (2, 20259440), (4, 10129720), (5, 8103776), (8, 5064860), (10, 4051888), (16, 2532430), (20, 2025944), (32, 1266215), (40, 1012972), (80, 506486), (160, 253243)]