40890815

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{7841}}^1$

素因数の和:8002

約数の個数: 16

約数和(自身を含む): 56462400

約数和(自身を除く): 15571585

約数列:

[1, 5, 7, 35, 149, 745, 1043, 5215, 7841, 39205, 54887, 274435, 1168309, 5841545, 8178163, 40890815]

約数ペア:

[(1, 40890815), (5, 8178163), (7, 5841545), (35, 1168309), (149, 274435), (745, 54887), (1043, 39205), (5215, 7841)]