40502590

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{491}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 74709216

約数和(自身を除く): 34206626

約数列:

[1, 2, 5, 10, 73, 113, 146, 226, 365, 491, 565, 730, 982, 1130, 2455, 4910, 8249, 16498, 35843, 41245, 55483, 71686, 82490, 110966, 179215, 277415, 358430, 554830, 4050259, 8100518, 20251295, 40502590]

約数ペア:

[(1, 40502590), (2, 20251295), (5, 8100518), (10, 4050259), (73, 554830), (113, 358430), (146, 277415), (226, 179215), (365, 110966), (491, 82490), (565, 71686), (730, 55483), (982, 41245), (1130, 35843), (2455, 16498), (4910, 8249)]