245037160

素因数分解:

$2^3\times 5^1\times {\mathrm{1657}}^1\times {\mathrm{3697}}^1$

素因数の和:5365

約数の個数: 32

約数和(自身を含む): 551815560

約数和(自身を除く): 306778400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1657, 3314, 3697, 6628, 7394, 8285, 13256, 14788, 16570, 18485, 29576, 33140, 36970, 66280, 73940, 147880, 6125929, 12251858, 24503716, 30629645, 49007432, 61259290, 122518580, 245037160]

約数ペア:

[(1, 245037160), (2, 122518580), (4, 61259290), (5, 49007432), (8, 30629645), (10, 24503716), (20, 12251858), (40, 6125929), (1657, 147880), (3314, 73940), (3697, 66280), (6628, 36970), (7394, 33140), (8285, 29576), (13256, 18485), (14788, 16570)]