31003120

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2029}}^1$

素因数の和:2233

約数の個数: 40

約数和(自身を含む): 72495360

約数和(自身を除く): 41492240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 2029, 3056, 3820, 4058, 7640, 8116, 10145, 15280, 16232, 20290, 32464, 40580, 81160, 162320, 387539, 775078, 1550156, 1937695, 3100312, 3875390, 6200624, 7750780, 15501560, 31003120]

約数ペア:

[(1, 31003120), (2, 15501560), (4, 7750780), (5, 6200624), (8, 3875390), (10, 3100312), (16, 1937695), (20, 1550156), (40, 775078), (80, 387539), (191, 162320), (382, 81160), (764, 40580), (955, 32464), (1528, 20290), (1910, 16232), (2029, 15280), (3056, 10145), (3820, 8116), (4058, 7640)]