79690520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21893}}^1$

素因数の和:21924

約数の個数: 64

約数和(自身を含む): 220691520

約数和(自身を除く): 141001000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 21893, 43786, 87572, 109465, 153251, 175144, 218930, 284609, 306502, 437860, 569218, 613004, 766255, 875720, 1138436, 1226008, 1423045, 1532510, 1992263, 2276872, 2846090, 3065020, 3984526, 5692180, 6130040, 7969052, 9961315, 11384360, 15938104, 19922630, 39845260, 79690520]

約数ペア:

[(1, 79690520), (2, 39845260), (4, 19922630), (5, 15938104), (7, 11384360), (8, 9961315), (10, 7969052), (13, 6130040), (14, 5692180), (20, 3984526), (26, 3065020), (28, 2846090), (35, 2276872), (40, 1992263), (52, 1532510), (56, 1423045), (65, 1226008), (70, 1138436), (91, 875720), (104, 766255), (130, 613004), (140, 569218), (182, 437860), (260, 306502), (280, 284609), (364, 218930), (455, 175144), (520, 153251), (728, 109465), (910, 87572), (1820, 43786), (3640, 21893)]