25261920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:405

約数の個数: 144

約数和(自身を含む): 88098192

約数和(自身を除く): 62836272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 72, 80, 90, 96, 106, 120, 144, 159, 160, 180, 212, 240, 265, 288, 318, 331, 360, 424, 477, 480, 530, 636, 662, 720, 795, 848, 954, 993, 1060, 1272, 1324, 1440, 1590, 1655, 1696, 1908, 1986, 2120, 2385, 2544, 2648, 2979, 3180, 3310, 3816, 3972, 4240, 4770, 4965, 5088, 5296, 5958, 6360, 6620, 7632, 7944, 8480, 9540, 9930, 10592, 11916, 12720, 13240, 14895, 15264, 15888, 17543, 19080, 19860, 23832, 25440, 26480, 29790, 31776, 35086, 38160, 39720, 47664, 52629, 52960, 59580, 70172, 76320, 79440, 87715, 95328, 105258, 119160, 140344, 157887, 158880, 175430, 210516, 238320, 263145, 280688, 315774, 350860, 421032, 476640, 526290, 561376, 631548, 701720, 789435, 842064, 1052580, 1263096, 1403440, 1578870, 1684128, 2105160, 2526192, 2806880, 3157740, 4210320, 5052384, 6315480, 8420640, 12630960, 25261920]

約数ペア:

[(1, 25261920), (2, 12630960), (3, 8420640), (4, 6315480), (5, 5052384), (6, 4210320), (8, 3157740), (9, 2806880), (10, 2526192), (12, 2105160), (15, 1684128), (16, 1578870), (18, 1403440), (20, 1263096), (24, 1052580), (30, 842064), (32, 789435), (36, 701720), (40, 631548), (45, 561376), (48, 526290), (53, 476640), (60, 421032), (72, 350860), (80, 315774), (90, 280688), (96, 263145), (106, 238320), (120, 210516), (144, 175430), (159, 158880), (160, 157887), (180, 140344), (212, 119160), (240, 105258), (265, 95328), (288, 87715), (318, 79440), (331, 76320), (360, 70172), (424, 59580), (477, 52960), (480, 52629), (530, 47664), (636, 39720), (662, 38160), (720, 35086), (795, 31776), (848, 29790), (954, 26480), (993, 25440), (1060, 23832), (1272, 19860), (1324, 19080), (1440, 17543), (1590, 15888), (1655, 15264), (1696, 14895), (1908, 13240), (1986, 12720), (2120, 11916), (2385, 10592), (2544, 9930), (2648, 9540), (2979, 8480), (3180, 7944), (3310, 7632), (3816, 6620), (3972, 6360), (4240, 5958), (4770, 5296), (4965, 5088)]