5431520

素因数分解:

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

素因数の和:507

約数の個数: 48

約数和(自身を含む): 13018320

約数和(自身を除く): 7586800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 409, 415, 664, 818, 830, 1328, 1636, 1660, 2045, 2656, 3272, 3320, 4090, 6544, 6640, 8180, 13088, 13280, 16360, 32720, 33947, 65440, 67894, 135788, 169735, 271576, 339470, 543152, 678940, 1086304, 1357880, 2715760, 5431520]

約数ペア:

[(1, 5431520), (2, 2715760), (4, 1357880), (5, 1086304), (8, 678940), (10, 543152), (16, 339470), (20, 271576), (32, 169735), (40, 135788), (80, 67894), (83, 65440), (160, 33947), (166, 32720), (332, 16360), (409, 13280), (415, 13088), (664, 8180), (818, 6640), (830, 6544), (1328, 4090), (1636, 3320), (1660, 3272), (2045, 2656)]