40474220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{673}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 88773888

約数和(自身を除く): 48299668

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 485, 620, 673, 970, 1346, 1940, 2692, 3007, 3365, 6014, 6730, 12028, 13460, 15035, 20863, 30070, 41726, 60140, 65281, 83452, 104315, 130562, 208630, 261124, 326405, 417260, 652810, 1305620, 2023711, 4047422, 8094844, 10118555, 20237110, 40474220]

約数ペア:

[(1, 40474220), (2, 20237110), (4, 10118555), (5, 8094844), (10, 4047422), (20, 2023711), (31, 1305620), (62, 652810), (97, 417260), (124, 326405), (155, 261124), (194, 208630), (310, 130562), (388, 104315), (485, 83452), (620, 65281), (673, 60140), (970, 41726), (1346, 30070), (1940, 20863), (2692, 15035), (3007, 13460), (3365, 12028), (6014, 6730)]