25320654

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:119

約数の個数: 128

約数和(自身を含む): 65664000

約数和(自身を除く): 40343346

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 27, 29, 37, 38, 46, 54, 57, 58, 69, 74, 87, 111, 114, 138, 171, 174, 207, 222, 261, 333, 342, 414, 437, 513, 522, 551, 621, 666, 667, 703, 783, 851, 874, 999, 1026, 1073, 1102, 1242, 1311, 1334, 1406, 1566, 1653, 1702, 1998, 2001, 2109, 2146, 2553, 2622, 3219, 3306, 3933, 4002, 4218, 4959, 5106, 6003, 6327, 6438, 7659, 7866, 9657, 9918, 11799, 12006, 12654, 12673, 14877, 15318, 16169, 18009, 18981, 19314, 20387, 22977, 23598, 24679, 25346, 28971, 29754, 32338, 36018, 37962, 38019, 40774, 45954, 48507, 49358, 57942, 61161, 74037, 76038, 97014, 114057, 122322, 145521, 148074, 183483, 222111, 228114, 291042, 342171, 366966, 436563, 444222, 468901, 550449, 666333, 684342, 873126, 937802, 1100898, 1332666, 1406703, 2813406, 4220109, 8440218, 12660327, 25320654]

約数ペア:

[(1, 25320654), (2, 12660327), (3, 8440218), (6, 4220109), (9, 2813406), (18, 1406703), (19, 1332666), (23, 1100898), (27, 937802), (29, 873126), (37, 684342), (38, 666333), (46, 550449), (54, 468901), (57, 444222), (58, 436563), (69, 366966), (74, 342171), (87, 291042), (111, 228114), (114, 222111), (138, 183483), (171, 148074), (174, 145521), (207, 122322), (222, 114057), (261, 97014), (333, 76038), (342, 74037), (414, 61161), (437, 57942), (513, 49358), (522, 48507), (551, 45954), (621, 40774), (666, 38019), (667, 37962), (703, 36018), (783, 32338), (851, 29754), (874, 28971), (999, 25346), (1026, 24679), (1073, 23598), (1102, 22977), (1242, 20387), (1311, 19314), (1334, 18981), (1406, 18009), (1566, 16169), (1653, 15318), (1702, 14877), (1998, 12673), (2001, 12654), (2109, 12006), (2146, 11799), (2553, 9918), (2622, 9657), (3219, 7866), (3306, 7659), (3933, 6438), (4002, 6327), (4218, 6003), (4959, 5106)]