51975560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 146361600

約数和(自身を除く): 94386040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 109, 130, 131, 140, 182, 218, 260, 262, 280, 364, 436, 455, 520, 524, 545, 655, 728, 763, 872, 910, 917, 1048, 1090, 1310, 1417, 1526, 1703, 1820, 1834, 2180, 2620, 2834, 3052, 3406, 3640, 3668, 3815, 4360, 4585, 5240, 5668, 6104, 6812, 7085, 7336, 7630, 8515, 9170, 9919, 11336, 11921, 13624, 14170, 14279, 15260, 17030, 18340, 19838, 23842, 28340, 28558, 30520, 34060, 36680, 39676, 47684, 49595, 56680, 57116, 59605, 68120, 71395, 79352, 95368, 99190, 99953, 114232, 119210, 142790, 185627, 198380, 199906, 238420, 285580, 371254, 396760, 399812, 476840, 499765, 571160, 742508, 799624, 928135, 999530, 1299389, 1485016, 1856270, 1999060, 2598778, 3712540, 3998120, 5197556, 6496945, 7425080, 10395112, 12993890, 25987780, 51975560]

約数ペア:

[(1, 51975560), (2, 25987780), (4, 12993890), (5, 10395112), (7, 7425080), (8, 6496945), (10, 5197556), (13, 3998120), (14, 3712540), (20, 2598778), (26, 1999060), (28, 1856270), (35, 1485016), (40, 1299389), (52, 999530), (56, 928135), (65, 799624), (70, 742508), (91, 571160), (104, 499765), (109, 476840), (130, 399812), (131, 396760), (140, 371254), (182, 285580), (218, 238420), (260, 199906), (262, 198380), (280, 185627), (364, 142790), (436, 119210), (455, 114232), (520, 99953), (524, 99190), (545, 95368), (655, 79352), (728, 71395), (763, 68120), (872, 59605), (910, 57116), (917, 56680), (1048, 49595), (1090, 47684), (1310, 39676), (1417, 36680), (1526, 34060), (1703, 30520), (1820, 28558), (1834, 28340), (2180, 23842), (2620, 19838), (2834, 18340), (3052, 17030), (3406, 15260), (3640, 14279), (3668, 14170), (3815, 13624), (4360, 11921), (4585, 11336), (5240, 9919), (5668, 9170), (6104, 8515), (6812, 7630), (7085, 7336)]