889968260

素因数分解:

$2^2\times 5^1\times {\mathrm{2699}}^1\times {\mathrm{16487}}^1$

素因数の和:19195

約数の個数: 24

約数和(自身を含む): 1869739200

約数和(自身を除く): 979770940

約数列:

[1, 2, 4, 5, 10, 20, 2699, 5398, 10796, 13495, 16487, 26990, 32974, 53980, 65948, 82435, 164870, 329740, 44498413, 88996826, 177993652, 222492065, 444984130, 889968260]

約数ペア:

[(1, 889968260), (2, 444984130), (4, 222492065), (5, 177993652), (10, 88996826), (20, 44498413), (2699, 329740), (5398, 164870), (10796, 82435), (13495, 65948), (16487, 53980), (26990, 32974)]