13120640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:134

約数の個数: 128

約数和(自身を含む): 35985600

約数和(自身を除く): 22864960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 83, 95, 104, 128, 130, 152, 160, 166, 190, 208, 247, 260, 304, 320, 332, 380, 415, 416, 494, 520, 608, 640, 664, 760, 830, 832, 988, 1040, 1079, 1216, 1235, 1328, 1520, 1577, 1660, 1664, 1976, 2080, 2158, 2432, 2470, 2656, 3040, 3154, 3320, 3952, 4160, 4316, 4940, 5312, 5395, 6080, 6308, 6640, 7885, 7904, 8320, 8632, 9880, 10624, 10790, 12160, 12616, 13280, 15770, 15808, 17264, 19760, 20501, 21580, 25232, 26560, 31540, 31616, 34528, 39520, 41002, 43160, 50464, 53120, 63080, 69056, 79040, 82004, 86320, 100928, 102505, 126160, 138112, 158080, 164008, 172640, 201856, 205010, 252320, 328016, 345280, 410020, 504640, 656032, 690560, 820040, 1009280, 1312064, 1640080, 2624128, 3280160, 6560320, 13120640]

約数ペア:

[(1, 13120640), (2, 6560320), (4, 3280160), (5, 2624128), (8, 1640080), (10, 1312064), (13, 1009280), (16, 820040), (19, 690560), (20, 656032), (26, 504640), (32, 410020), (38, 345280), (40, 328016), (52, 252320), (64, 205010), (65, 201856), (76, 172640), (80, 164008), (83, 158080), (95, 138112), (104, 126160), (128, 102505), (130, 100928), (152, 86320), (160, 82004), (166, 79040), (190, 69056), (208, 63080), (247, 53120), (260, 50464), (304, 43160), (320, 41002), (332, 39520), (380, 34528), (415, 31616), (416, 31540), (494, 26560), (520, 25232), (608, 21580), (640, 20501), (664, 19760), (760, 17264), (830, 15808), (832, 15770), (988, 13280), (1040, 12616), (1079, 12160), (1216, 10790), (1235, 10624), (1328, 9880), (1520, 8632), (1577, 8320), (1660, 7904), (1664, 7885), (1976, 6640), (2080, 6308), (2158, 6080), (2432, 5395), (2470, 5312), (2656, 4940), (3040, 4316), (3154, 4160), (3320, 3952)]