51391160

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{6089}}^1$

素因数の和:6311

約数の個数: 32

約数和(自身を含む): 116197200

約数和(自身を除く): 64806040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 6089, 8440, 12178, 24356, 30445, 48712, 60890, 121780, 243560, 1284779, 2569558, 5139116, 6423895, 10278232, 12847790, 25695580, 51391160]

約数ペア:

[(1, 51391160), (2, 25695580), (4, 12847790), (5, 10278232), (8, 6423895), (10, 5139116), (20, 2569558), (40, 1284779), (211, 243560), (422, 121780), (844, 60890), (1055, 48712), (1688, 30445), (2110, 24356), (4220, 12178), (6089, 8440)]