408068050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{627797}}^1$

素因数の和:627822

約数の個数: 24

約数和(自身を含む): 817392996

約数和(自身を除く): 409324946

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 627797, 1255594, 3138985, 6277970, 8161361, 15694925, 16322722, 31389850, 40806805, 81613610, 204034025, 408068050]

約数ペア:

[(1, 408068050), (2, 204034025), (5, 81613610), (10, 40806805), (13, 31389850), (25, 16322722), (26, 15694925), (50, 8161361), (65, 6277970), (130, 3138985), (325, 1255594), (650, 627797)]