2489001440

素因数分解:

$2^5\times 5^1\times {\mathrm{15556259}}^1$

素因数の和:15556274

約数の個数: 24

約数和(自身を含む): 5880266280

約数和(自身を除く): 3391264840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 15556259, 31112518, 62225036, 77781295, 124450072, 155562590, 248900144, 311125180, 497800288, 622250360, 1244500720, 2489001440]

約数ペア:

[(1, 2489001440), (2, 1244500720), (4, 622250360), (5, 497800288), (8, 311125180), (10, 248900144), (16, 155562590), (20, 124450072), (32, 77781295), (40, 62225036), (80, 31112518), (160, 15556259)]