2741440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1$

素因数の和:689

約数の個数: 56

約数和(自身を含む): 7040880

約数和(自身を除く): 4299440

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, 659, 832, 1040, 1318, 2080, 2636, 3295, 4160, 5272, 6590, 8567, 10544, 13180, 17134, 21088, 26360, 34268, 42176, 42835, 52720, 68536, 85670, 105440, 137072, 171340, 210880, 274144, 342680, 548288, 685360, 1370720, 2741440]

約数ペア:

[(1, 2741440), (2, 1370720), (4, 685360), (5, 548288), (8, 342680), (10, 274144), (13, 210880), (16, 171340), (20, 137072), (26, 105440), (32, 85670), (40, 68536), (52, 52720), (64, 42835), (65, 42176), (80, 34268), (104, 26360), (130, 21088), (160, 17134), (208, 13180), (260, 10544), (320, 8567), (416, 6590), (520, 5272), (659, 4160), (832, 3295), (1040, 2636), (1318, 2080)]