13003040

素因数分解:

$2^5\times 5^1\times {\mathrm{181}}^1\times {\mathrm{449}}^1$

素因数の和:645

約数の個数: 48

約数和(自身を含む): 30958200

約数和(自身を除く): 17955160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 181, 362, 449, 724, 898, 905, 1448, 1796, 1810, 2245, 2896, 3592, 3620, 4490, 5792, 7184, 7240, 8980, 14368, 14480, 17960, 28960, 35920, 71840, 81269, 162538, 325076, 406345, 650152, 812690, 1300304, 1625380, 2600608, 3250760, 6501520, 13003040]

約数ペア:

[(1, 13003040), (2, 6501520), (4, 3250760), (5, 2600608), (8, 1625380), (10, 1300304), (16, 812690), (20, 650152), (32, 406345), (40, 325076), (80, 162538), (160, 81269), (181, 71840), (362, 35920), (449, 28960), (724, 17960), (898, 14480), (905, 14368), (1448, 8980), (1796, 7240), (1810, 7184), (2245, 5792), (2896, 4490), (3592, 3620)]