4078960

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{761}}^1$

素因数の和:841

約数の個数: 40

約数和(自身を含む): 9637776

約数和(自身を除く): 5558816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 761, 1072, 1340, 1522, 2680, 3044, 3805, 5360, 6088, 7610, 12176, 15220, 30440, 50987, 60880, 101974, 203948, 254935, 407896, 509870, 815792, 1019740, 2039480, 4078960]

約数ペア:

[(1, 4078960), (2, 2039480), (4, 1019740), (5, 815792), (8, 509870), (10, 407896), (16, 254935), (20, 203948), (40, 101974), (67, 60880), (80, 50987), (134, 30440), (268, 15220), (335, 12176), (536, 7610), (670, 6088), (761, 5360), (1072, 3805), (1340, 3044), (1522, 2680)]