20553200

素因数分解:

$2^4\times 5^2\times {\mathrm{51383}}^1$

素因数の和:51401

約数の個数: 30

約数和(自身を含む): 49380024

約数和(自身を除く): 28826824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 51383, 102766, 205532, 256915, 411064, 513830, 822128, 1027660, 1284575, 2055320, 2569150, 4110640, 5138300, 10276600, 20553200]

約数ペア:

[(1, 20553200), (2, 10276600), (4, 5138300), (5, 4110640), (8, 2569150), (10, 2055320), (16, 1284575), (20, 1027660), (25, 822128), (40, 513830), (50, 411064), (80, 256915), (100, 205532), (200, 102766), (400, 51383)]