40659640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{145213}}^1$

素因数の和:145231

約数の個数: 32

約数和(自身を含む): 104554080

約数和(自身を除く): 63894440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 145213, 290426, 580852, 726065, 1016491, 1161704, 1452130, 2032982, 2904260, 4065964, 5082455, 5808520, 8131928, 10164910, 20329820, 40659640]

約数ペア:

[(1, 40659640), (2, 20329820), (4, 10164910), (5, 8131928), (7, 5808520), (8, 5082455), (10, 4065964), (14, 2904260), (20, 2032982), (28, 1452130), (35, 1161704), (40, 1016491), (56, 726065), (70, 580852), (140, 290426), (280, 145213)]