25090520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 71245440

約数和(自身を除く): 46154920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 61, 65, 70, 91, 104, 113, 122, 130, 140, 182, 226, 244, 260, 280, 305, 364, 427, 452, 455, 488, 520, 565, 610, 728, 791, 793, 854, 904, 910, 1130, 1220, 1469, 1582, 1586, 1708, 1820, 2135, 2260, 2440, 2938, 3164, 3172, 3416, 3640, 3955, 3965, 4270, 4520, 5551, 5876, 6328, 6344, 6893, 7345, 7910, 7930, 8540, 10283, 11102, 11752, 13786, 14690, 15820, 15860, 17080, 20566, 22204, 27572, 27755, 29380, 31640, 31720, 34465, 41132, 44408, 48251, 51415, 55144, 55510, 58760, 68930, 82264, 89609, 96502, 102830, 111020, 137860, 179218, 193004, 205660, 222040, 241255, 275720, 358436, 386008, 411320, 448045, 482510, 627263, 716872, 896090, 965020, 1254526, 1792180, 1930040, 2509052, 3136315, 3584360, 5018104, 6272630, 12545260, 25090520]

約数ペア:

[(1, 25090520), (2, 12545260), (4, 6272630), (5, 5018104), (7, 3584360), (8, 3136315), (10, 2509052), (13, 1930040), (14, 1792180), (20, 1254526), (26, 965020), (28, 896090), (35, 716872), (40, 627263), (52, 482510), (56, 448045), (61, 411320), (65, 386008), (70, 358436), (91, 275720), (104, 241255), (113, 222040), (122, 205660), (130, 193004), (140, 179218), (182, 137860), (226, 111020), (244, 102830), (260, 96502), (280, 89609), (305, 82264), (364, 68930), (427, 58760), (452, 55510), (455, 55144), (488, 51415), (520, 48251), (565, 44408), (610, 41132), (728, 34465), (791, 31720), (793, 31640), (854, 29380), (904, 27755), (910, 27572), (1130, 22204), (1220, 20566), (1469, 17080), (1582, 15860), (1586, 15820), (1708, 14690), (1820, 13786), (2135, 11752), (2260, 11102), (2440, 10283), (2938, 8540), (3164, 7930), (3172, 7910), (3416, 7345), (3640, 6893), (3955, 6344), (3965, 6328), (4270, 5876), (4520, 5551)]