40402768

素因数分解:

$2^4\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2389}}^1$

素因数の和:2555

約数の個数: 40

約数和(自身を含む): 90093440

約数和(自身を除く): 49690672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 151, 302, 604, 1057, 1208, 2114, 2389, 2416, 4228, 4778, 8456, 9556, 16723, 16912, 19112, 33446, 38224, 66892, 133784, 267568, 360739, 721478, 1442956, 2525173, 2885912, 5050346, 5771824, 10100692, 20201384, 40402768]

約数ペア:

[(1, 40402768), (2, 20201384), (4, 10100692), (7, 5771824), (8, 5050346), (14, 2885912), (16, 2525173), (28, 1442956), (56, 721478), (112, 360739), (151, 267568), (302, 133784), (604, 66892), (1057, 38224), (1208, 33446), (2114, 19112), (2389, 16912), (2416, 16723), (4228, 9556), (4778, 8456)]