13142140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 32514048

約数和(自身を除く): 19371908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 41, 44, 47, 55, 62, 82, 94, 110, 124, 155, 164, 188, 205, 220, 235, 310, 341, 410, 451, 470, 517, 620, 682, 820, 902, 940, 1034, 1271, 1364, 1457, 1705, 1804, 1927, 2068, 2255, 2542, 2585, 2914, 3410, 3854, 4510, 5084, 5170, 5828, 6355, 6820, 7285, 7708, 9020, 9635, 10340, 12710, 13981, 14570, 16027, 19270, 21197, 25420, 27962, 29140, 32054, 38540, 42394, 55924, 59737, 64108, 69905, 80135, 84788, 105985, 119474, 139810, 160270, 211970, 238948, 279620, 298685, 320540, 423940, 597370, 657107, 1194740, 1314214, 2628428, 3285535, 6571070, 13142140]

約数ペア:

[(1, 13142140), (2, 6571070), (4, 3285535), (5, 2628428), (10, 1314214), (11, 1194740), (20, 657107), (22, 597370), (31, 423940), (41, 320540), (44, 298685), (47, 279620), (55, 238948), (62, 211970), (82, 160270), (94, 139810), (110, 119474), (124, 105985), (155, 84788), (164, 80135), (188, 69905), (205, 64108), (220, 59737), (235, 55924), (310, 42394), (341, 38540), (410, 32054), (451, 29140), (470, 27962), (517, 25420), (620, 21197), (682, 19270), (820, 16027), (902, 14570), (940, 13981), (1034, 12710), (1271, 10340), (1364, 9635), (1457, 9020), (1705, 7708), (1804, 7285), (1927, 6820), (2068, 6355), (2255, 5828), (2542, 5170), (2585, 5084), (2914, 4510), (3410, 3854)]