40453904

素因数分解:

$2^4\times {\mathrm{691}}^1\times {\mathrm{3659}}^1$

素因数の和:4358

約数の個数: 20

約数和(自身を含む): 78514320

約数和(自身を除く): 38060416

約数列:

[1, 2, 4, 8, 16, 691, 1382, 2764, 3659, 5528, 7318, 11056, 14636, 29272, 58544, 2528369, 5056738, 10113476, 20226952, 40453904]

約数ペア:

[(1, 40453904), (2, 20226952), (4, 10113476), (8, 5056738), (16, 2528369), (691, 58544), (1382, 29272), (2764, 14636), (3659, 11056), (5528, 7318)]