31245880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41113}}^1$

素因数の和:41143

約数の個数: 32

約数和(自身を含む): 74005200

約数和(自身を除く): 42759320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 41113, 82226, 164452, 205565, 328904, 411130, 781147, 822260, 1562294, 1644520, 3124588, 3905735, 6249176, 7811470, 15622940, 31245880]

約数ペア:

[(1, 31245880), (2, 15622940), (4, 7811470), (5, 6249176), (8, 3905735), (10, 3124588), (19, 1644520), (20, 1562294), (38, 822260), (40, 781147), (76, 411130), (95, 328904), (152, 205565), (190, 164452), (380, 82226), (760, 41113)]