25705400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 72305640

約数和(自身を除く): 46600240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 43, 49, 50, 56, 61, 70, 86, 98, 100, 122, 140, 172, 175, 196, 200, 215, 244, 245, 280, 301, 305, 344, 350, 392, 427, 430, 488, 490, 602, 610, 700, 854, 860, 980, 1075, 1204, 1220, 1225, 1400, 1505, 1525, 1708, 1720, 1960, 2107, 2135, 2150, 2408, 2440, 2450, 2623, 2989, 3010, 3050, 3416, 4214, 4270, 4300, 4900, 5246, 5978, 6020, 6100, 7525, 8428, 8540, 8600, 9800, 10492, 10535, 10675, 11956, 12040, 12200, 13115, 14945, 15050, 16856, 17080, 18361, 20984, 21070, 21350, 23912, 26230, 29890, 30100, 36722, 42140, 42700, 52460, 52675, 59780, 60200, 65575, 73444, 74725, 84280, 85400, 91805, 104920, 105350, 119560, 128527, 131150, 146888, 149450, 183610, 210700, 257054, 262300, 298900, 367220, 421400, 459025, 514108, 524600, 597800, 642635, 734440, 918050, 1028216, 1285270, 1836100, 2570540, 3213175, 3672200, 5141080, 6426350, 12852700, 25705400]

約数ペア:

[(1, 25705400), (2, 12852700), (4, 6426350), (5, 5141080), (7, 3672200), (8, 3213175), (10, 2570540), (14, 1836100), (20, 1285270), (25, 1028216), (28, 918050), (35, 734440), (40, 642635), (43, 597800), (49, 524600), (50, 514108), (56, 459025), (61, 421400), (70, 367220), (86, 298900), (98, 262300), (100, 257054), (122, 210700), (140, 183610), (172, 149450), (175, 146888), (196, 131150), (200, 128527), (215, 119560), (244, 105350), (245, 104920), (280, 91805), (301, 85400), (305, 84280), (344, 74725), (350, 73444), (392, 65575), (427, 60200), (430, 59780), (488, 52675), (490, 52460), (602, 42700), (610, 42140), (700, 36722), (854, 30100), (860, 29890), (980, 26230), (1075, 23912), (1204, 21350), (1220, 21070), (1225, 20984), (1400, 18361), (1505, 17080), (1525, 16856), (1708, 15050), (1720, 14945), (1960, 13115), (2107, 12200), (2135, 12040), (2150, 11956), (2408, 10675), (2440, 10535), (2450, 10492), (2623, 9800), (2989, 8600), (3010, 8540), (3050, 8428), (3416, 7525), (4214, 6100), (4270, 6020), (4300, 5978), (4900, 5246)]