23312980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 50528016

約数和(自身を除く): 27215036

約数列:

[1, 2, 4, 5, 10, 20, 61, 97, 122, 194, 197, 244, 305, 388, 394, 485, 610, 788, 970, 985, 1220, 1940, 1970, 3940, 5917, 11834, 12017, 19109, 23668, 24034, 29585, 38218, 48068, 59170, 60085, 76436, 95545, 118340, 120170, 191090, 240340, 382180, 1165649, 2331298, 4662596, 5828245, 11656490, 23312980]

約数ペア:

[(1, 23312980), (2, 11656490), (4, 5828245), (5, 4662596), (10, 2331298), (20, 1165649), (61, 382180), (97, 240340), (122, 191090), (194, 120170), (197, 118340), (244, 95545), (305, 76436), (388, 60085), (394, 59170), (485, 48068), (610, 38218), (788, 29585), (970, 24034), (985, 23668), (1220, 19109), (1940, 12017), (1970, 11834), (3940, 5917)]