40310140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{787}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 91742112

約数和(自身を除く): 51431972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 260, 394, 787, 788, 985, 1574, 1970, 2561, 3148, 3935, 3940, 5122, 7870, 10231, 10244, 12805, 15740, 20462, 25610, 40924, 51155, 51220, 102310, 155039, 204620, 310078, 620156, 775195, 1550390, 2015507, 3100780, 4031014, 8062028, 10077535, 20155070, 40310140]

約数ペア:

[(1, 40310140), (2, 20155070), (4, 10077535), (5, 8062028), (10, 4031014), (13, 3100780), (20, 2015507), (26, 1550390), (52, 775195), (65, 620156), (130, 310078), (197, 204620), (260, 155039), (394, 102310), (787, 51220), (788, 51155), (985, 40924), (1574, 25610), (1970, 20462), (2561, 15740), (3148, 12805), (3935, 10244), (3940, 10231), (5122, 7870)]