12924580

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 28168560

約数和(自身を除く): 15243980

約数列:

[1, 2, 4, 5, 10, 20, 53, 89, 106, 137, 178, 212, 265, 274, 356, 445, 530, 548, 685, 890, 1060, 1370, 1780, 2740, 4717, 7261, 9434, 12193, 14522, 18868, 23585, 24386, 29044, 36305, 47170, 48772, 60965, 72610, 94340, 121930, 145220, 243860, 646229, 1292458, 2584916, 3231145, 6462290, 12924580]

約数ペア:

[(1, 12924580), (2, 6462290), (4, 3231145), (5, 2584916), (10, 1292458), (20, 646229), (53, 243860), (89, 145220), (106, 121930), (137, 94340), (178, 72610), (212, 60965), (265, 48772), (274, 47170), (356, 36305), (445, 29044), (530, 24386), (548, 23585), (685, 18868), (890, 14522), (1060, 12193), (1370, 9434), (1780, 7261), (2740, 4717)]