25883130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:548

約数の個数: 128

約数和(自身を含む): 80640000

約数和(自身を除く): 54756870

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 38, 39, 42, 57, 65, 70, 78, 91, 95, 105, 114, 130, 133, 182, 190, 195, 210, 247, 266, 273, 285, 390, 399, 455, 494, 499, 546, 570, 665, 741, 798, 910, 998, 1235, 1330, 1365, 1482, 1497, 1729, 1995, 2470, 2495, 2730, 2994, 3458, 3493, 3705, 3990, 4990, 5187, 6487, 6986, 7410, 7485, 8645, 9481, 10374, 10479, 12974, 14970, 17290, 17465, 18962, 19461, 20958, 25935, 28443, 32435, 34930, 38922, 45409, 47405, 51870, 52395, 56886, 64870, 66367, 90818, 94810, 97305, 104790, 123253, 132734, 136227, 142215, 194610, 199101, 227045, 246506, 272454, 284430, 331835, 369759, 398202, 454090, 616265, 663670, 681135, 739518, 862771, 995505, 1232530, 1362270, 1725542, 1848795, 1991010, 2588313, 3697590, 4313855, 5176626, 8627710, 12941565, 25883130]

約数ペア:

[(1, 25883130), (2, 12941565), (3, 8627710), (5, 5176626), (6, 4313855), (7, 3697590), (10, 2588313), (13, 1991010), (14, 1848795), (15, 1725542), (19, 1362270), (21, 1232530), (26, 995505), (30, 862771), (35, 739518), (38, 681135), (39, 663670), (42, 616265), (57, 454090), (65, 398202), (70, 369759), (78, 331835), (91, 284430), (95, 272454), (105, 246506), (114, 227045), (130, 199101), (133, 194610), (182, 142215), (190, 136227), (195, 132734), (210, 123253), (247, 104790), (266, 97305), (273, 94810), (285, 90818), (390, 66367), (399, 64870), (455, 56886), (494, 52395), (499, 51870), (546, 47405), (570, 45409), (665, 38922), (741, 34930), (798, 32435), (910, 28443), (998, 25935), (1235, 20958), (1330, 19461), (1365, 18962), (1482, 17465), (1497, 17290), (1729, 14970), (1995, 12974), (2470, 10479), (2495, 10374), (2730, 9481), (2994, 8645), (3458, 7485), (3493, 7410), (3705, 6986), (3990, 6487), (4990, 5187)]