123319480

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{18461}}^1$

素因数の和:18639

約数の個数: 32

約数和(自身を含む): 279145440

約数和(自身を除く): 155825960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 18461, 36922, 73844, 92305, 147688, 184610, 369220, 738440, 3082987, 6165974, 12331948, 15414935, 24663896, 30829870, 61659740, 123319480]

約数ペア:

[(1, 123319480), (2, 61659740), (4, 30829870), (5, 24663896), (8, 15414935), (10, 12331948), (20, 6165974), (40, 3082987), (167, 738440), (334, 369220), (668, 184610), (835, 147688), (1336, 92305), (1670, 73844), (3340, 36922), (6680, 18461)]