225408080

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^2\times {\mathrm{409}}^1$

素因数の和:588

約数の個数: 60

約数和(自身を含む): 531760980

約数和(自身を除く): 306352900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 409, 415, 664, 818, 830, 1328, 1636, 1660, 2045, 3272, 3320, 4090, 6544, 6640, 6889, 8180, 13778, 16360, 27556, 32720, 33947, 34445, 55112, 67894, 68890, 110224, 135788, 137780, 169735, 271576, 275560, 339470, 543152, 551120, 678940, 1357880, 2715760, 2817601, 5635202, 11270404, 14088005, 22540808, 28176010, 45081616, 56352020, 112704040, 225408080]

約数ペア:

[(1, 225408080), (2, 112704040), (4, 56352020), (5, 45081616), (8, 28176010), (10, 22540808), (16, 14088005), (20, 11270404), (40, 5635202), (80, 2817601), (83, 2715760), (166, 1357880), (332, 678940), (409, 551120), (415, 543152), (664, 339470), (818, 275560), (830, 271576), (1328, 169735), (1636, 137780), (1660, 135788), (2045, 110224), (3272, 68890), (3320, 67894), (4090, 55112), (6544, 34445), (6640, 33947), (6889, 32720), (8180, 27556), (13778, 16360)]