40990160

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12497}}^1$

素因数の和:12551

約数の個数: 40

約数和(自身を含む): 97634376

約数和(自身を除く): 56644216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 12497, 24994, 49988, 62485, 99976, 124970, 199952, 249940, 499880, 512377, 999760, 1024754, 2049508, 2561885, 4099016, 5123770, 8198032, 10247540, 20495080, 40990160]

約数ペア:

[(1, 40990160), (2, 20495080), (4, 10247540), (5, 8198032), (8, 5123770), (10, 4099016), (16, 2561885), (20, 2049508), (40, 1024754), (41, 999760), (80, 512377), (82, 499880), (164, 249940), (205, 199952), (328, 124970), (410, 99976), (656, 62485), (820, 49988), (1640, 24994), (3280, 12497)]