51436840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1087}}^1$

素因数の和:1131

約数の個数: 96

約数和(自身を含む): 143354880

約数和(自身を除く): 91918040

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, 169, 182, 260, 280, 338, 364, 455, 520, 676, 728, 845, 910, 1087, 1183, 1352, 1690, 1820, 2174, 2366, 3380, 3640, 4348, 4732, 5435, 5915, 6760, 7609, 8696, 9464, 10870, 11830, 14131, 15218, 21740, 23660, 28262, 30436, 38045, 43480, 47320, 56524, 60872, 70655, 76090, 98917, 113048, 141310, 152180, 183703, 197834, 282620, 304360, 367406, 395668, 494585, 565240, 734812, 791336, 918515, 989170, 1285921, 1469624, 1837030, 1978340, 2571842, 3674060, 3956680, 5143684, 6429605, 7348120, 10287368, 12859210, 25718420, 51436840]

約数ペア:

[(1, 51436840), (2, 25718420), (4, 12859210), (5, 10287368), (7, 7348120), (8, 6429605), (10, 5143684), (13, 3956680), (14, 3674060), (20, 2571842), (26, 1978340), (28, 1837030), (35, 1469624), (40, 1285921), (52, 989170), (56, 918515), (65, 791336), (70, 734812), (91, 565240), (104, 494585), (130, 395668), (140, 367406), (169, 304360), (182, 282620), (260, 197834), (280, 183703), (338, 152180), (364, 141310), (455, 113048), (520, 98917), (676, 76090), (728, 70655), (845, 60872), (910, 56524), (1087, 47320), (1183, 43480), (1352, 38045), (1690, 30436), (1820, 28262), (2174, 23660), (2366, 21740), (3380, 15218), (3640, 14131), (4348, 11830), (4732, 10870), (5435, 9464), (5915, 8696), (6760, 7609)]