38647960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74323}}^1$

素因数の和:74347

約数の個数: 32

約数和(自身を含む): 93648240

約数和(自身を除く): 55000280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 74323, 148646, 297292, 371615, 594584, 743230, 966199, 1486460, 1932398, 2972920, 3864796, 4830995, 7729592, 9661990, 19323980, 38647960]

約数ペア:

[(1, 38647960), (2, 19323980), (4, 9661990), (5, 7729592), (8, 4830995), (10, 3864796), (13, 2972920), (20, 1932398), (26, 1486460), (40, 966199), (52, 743230), (65, 594584), (104, 371615), (130, 297292), (260, 148646), (520, 74323)]