123751840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{45497}}^1$

素因数の和:45529

約数の個数: 48

約数和(自身を含む): 309568392

約数和(自身を除く): 185816552

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 45497, 90994, 181988, 227485, 363976, 454970, 727952, 773449, 909940, 1455904, 1546898, 1819880, 3093796, 3639760, 3867245, 6187592, 7279520, 7734490, 12375184, 15468980, 24750368, 30937960, 61875920, 123751840]

約数ペア:

[(1, 123751840), (2, 61875920), (4, 30937960), (5, 24750368), (8, 15468980), (10, 12375184), (16, 7734490), (17, 7279520), (20, 6187592), (32, 3867245), (34, 3639760), (40, 3093796), (68, 1819880), (80, 1546898), (85, 1455904), (136, 909940), (160, 773449), (170, 727952), (272, 454970), (340, 363976), (544, 227485), (680, 181988), (1360, 90994), (2720, 45497)]