40488400

素因数分解:

$2^4\times 5^2\times {\mathrm{101221}}^1$

素因数の和:101239

約数の個数: 30

約数和(自身を含む): 97274342

約数和(自身を除く): 56785942

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 101221, 202442, 404884, 506105, 809768, 1012210, 1619536, 2024420, 2530525, 4048840, 5061050, 8097680, 10122100, 20244200, 40488400]

約数ペア:

[(1, 40488400), (2, 20244200), (4, 10122100), (5, 8097680), (8, 5061050), (10, 4048840), (16, 2530525), (20, 2024420), (25, 1619536), (40, 1012210), (50, 809768), (80, 506105), (100, 404884), (200, 202442), (400, 101221)]