20130175640

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1\times {\mathrm{21893}}^1$

素因数の和:22212

約数の個数: 64

約数和(自身を含む): 45903836160

約数和(自身を除く): 25773660520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 181, 254, 362, 508, 635, 724, 905, 1016, 1270, 1448, 1810, 2540, 3620, 5080, 7240, 21893, 22987, 43786, 45974, 87572, 91948, 109465, 114935, 175144, 183896, 218930, 229870, 437860, 459740, 875720, 919480, 2780411, 3962633, 5560822, 7925266, 11121644, 13902055, 15850532, 19813165, 22243288, 27804110, 31701064, 39626330, 55608220, 79252660, 111216440, 158505320, 503254391, 1006508782, 2013017564, 2516271955, 4026035128, 5032543910, 10065087820, 20130175640]

約数ペア:

[(1, 20130175640), (2, 10065087820), (4, 5032543910), (5, 4026035128), (8, 2516271955), (10, 2013017564), (20, 1006508782), (40, 503254391), (127, 158505320), (181, 111216440), (254, 79252660), (362, 55608220), (508, 39626330), (635, 31701064), (724, 27804110), (905, 22243288), (1016, 19813165), (1270, 15850532), (1448, 13902055), (1810, 11121644), (2540, 7925266), (3620, 5560822), (5080, 3962633), (7240, 2780411), (21893, 919480), (22987, 875720), (43786, 459740), (45974, 437860), (87572, 229870), (91948, 218930), (109465, 183896), (114935, 175144)]