81107380

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^2\times {\mathrm{761}}^1$

素因数の和:916

約数の個数: 36

約数和(自身を含む): 172917612

約数和(自身を除く): 91810232

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 761, 1460, 1522, 3044, 3805, 5329, 7610, 10658, 15220, 21316, 26645, 53290, 55553, 106580, 111106, 222212, 277765, 555530, 1111060, 4055369, 8110738, 16221476, 20276845, 40553690, 81107380]

約数ペア:

[(1, 81107380), (2, 40553690), (4, 20276845), (5, 16221476), (10, 8110738), (20, 4055369), (73, 1111060), (146, 555530), (292, 277765), (365, 222212), (730, 111106), (761, 106580), (1460, 55553), (1522, 53290), (3044, 26645), (3805, 21316), (5329, 15220), (7610, 10658)]