2491840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{599}}^1$

素因数の和:629

約数の個数: 56

約数和(自身を含む): 6400800

約数和(自身を除く): 3908960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 599, 832, 1040, 1198, 2080, 2396, 2995, 4160, 4792, 5990, 7787, 9584, 11980, 15574, 19168, 23960, 31148, 38336, 38935, 47920, 62296, 77870, 95840, 124592, 155740, 191680, 249184, 311480, 498368, 622960, 1245920, 2491840]

約数ペア:

[(1, 2491840), (2, 1245920), (4, 622960), (5, 498368), (8, 311480), (10, 249184), (13, 191680), (16, 155740), (20, 124592), (26, 95840), (32, 77870), (40, 62296), (52, 47920), (64, 38935), (65, 38336), (80, 31148), (104, 23960), (130, 19168), (160, 15574), (208, 11980), (260, 9584), (320, 7787), (416, 5990), (520, 4792), (599, 4160), (832, 2995), (1040, 2396), (1198, 2080)]