31007140

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{18679}}^1$

素因数の和:18771

約数の個数: 24

約数和(自身を含む): 65903040

約数和(自身を除く): 34895900

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 18679, 37358, 74716, 93395, 186790, 373580, 1550357, 3100714, 6201428, 7751785, 15503570, 31007140]

約数ペア:

[(1, 31007140), (2, 15503570), (4, 7751785), (5, 6201428), (10, 3100714), (20, 1550357), (83, 373580), (166, 186790), (332, 93395), (415, 74716), (830, 37358), (1660, 18679)]