48387940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 104509440

約数和(自身を除く): 56121500

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 191, 212, 239, 265, 382, 478, 530, 764, 955, 956, 1060, 1195, 1910, 2390, 3820, 4780, 10123, 12667, 20246, 25334, 40492, 45649, 50615, 50668, 63335, 91298, 101230, 126670, 182596, 202460, 228245, 253340, 456490, 912980, 2419397, 4838794, 9677588, 12096985, 24193970, 48387940]

約数ペア:

[(1, 48387940), (2, 24193970), (4, 12096985), (5, 9677588), (10, 4838794), (20, 2419397), (53, 912980), (106, 456490), (191, 253340), (212, 228245), (239, 202460), (265, 182596), (382, 126670), (478, 101230), (530, 91298), (764, 63335), (955, 50668), (956, 50615), (1060, 45649), (1195, 40492), (1910, 25334), (2390, 20246), (3820, 12667), (4780, 10123)]