126400760

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{547}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 292960800

約数和(自身を除く): 166560040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 109, 212, 218, 265, 424, 436, 530, 545, 547, 872, 1060, 1090, 1094, 2120, 2180, 2188, 2735, 4360, 4376, 5470, 5777, 10940, 11554, 21880, 23108, 28885, 28991, 46216, 57770, 57982, 59623, 115540, 115964, 119246, 144955, 231080, 231928, 238492, 289910, 298115, 476984, 579820, 596230, 1159640, 1192460, 2384920, 3160019, 6320038, 12640076, 15800095, 25280152, 31600190, 63200380, 126400760]

約数ペア:

[(1, 126400760), (2, 63200380), (4, 31600190), (5, 25280152), (8, 15800095), (10, 12640076), (20, 6320038), (40, 3160019), (53, 2384920), (106, 1192460), (109, 1159640), (212, 596230), (218, 579820), (265, 476984), (424, 298115), (436, 289910), (530, 238492), (545, 231928), (547, 231080), (872, 144955), (1060, 119246), (1090, 115964), (1094, 115540), (2120, 59623), (2180, 57982), (2188, 57770), (2735, 46216), (4360, 28991), (4376, 28885), (5470, 23108), (5777, 21880), (10940, 11554)]