51813580

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:133

約数の個数: 120

約数和(自身を含む): 138346992

約数和(自身を除く): 86533412

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 83, 91, 98, 130, 140, 166, 182, 196, 245, 260, 332, 343, 364, 415, 455, 490, 581, 637, 686, 830, 910, 980, 1079, 1162, 1274, 1372, 1660, 1715, 1820, 2158, 2324, 2401, 2548, 2905, 3185, 3430, 4067, 4316, 4459, 4802, 5395, 5810, 6370, 6860, 7553, 8134, 8918, 9604, 10790, 11620, 12005, 12740, 15106, 16268, 17836, 20335, 21580, 22295, 24010, 28469, 30212, 31213, 37765, 40670, 44590, 48020, 52871, 56938, 62426, 75530, 81340, 89180, 105742, 113876, 124852, 142345, 151060, 156065, 199283, 211484, 264355, 284690, 312130, 370097, 398566, 528710, 569380, 624260, 740194, 797132, 996415, 1057420, 1480388, 1850485, 1992830, 2590679, 3700970, 3985660, 5181358, 7401940, 10362716, 12953395, 25906790, 51813580]

約数ペア:

[(1, 51813580), (2, 25906790), (4, 12953395), (5, 10362716), (7, 7401940), (10, 5181358), (13, 3985660), (14, 3700970), (20, 2590679), (26, 1992830), (28, 1850485), (35, 1480388), (49, 1057420), (52, 996415), (65, 797132), (70, 740194), (83, 624260), (91, 569380), (98, 528710), (130, 398566), (140, 370097), (166, 312130), (182, 284690), (196, 264355), (245, 211484), (260, 199283), (332, 156065), (343, 151060), (364, 142345), (415, 124852), (455, 113876), (490, 105742), (581, 89180), (637, 81340), (686, 75530), (830, 62426), (910, 56938), (980, 52871), (1079, 48020), (1162, 44590), (1274, 40670), (1372, 37765), (1660, 31213), (1715, 30212), (1820, 28469), (2158, 24010), (2324, 22295), (2401, 21580), (2548, 20335), (2905, 17836), (3185, 16268), (3430, 15106), (4067, 12740), (4316, 12005), (4459, 11620), (4802, 10790), (5395, 9604), (5810, 8918), (6370, 8134), (6860, 7553)]