64564940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{9467}}^1$

素因数の和:9518

約数の個数: 48

約数和(自身を含む): 152699904

約数和(自身を除く): 88134964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 9467, 18934, 37868, 47335, 94670, 104137, 189340, 208274, 293477, 416548, 520685, 586954, 1041370, 1173908, 1467385, 2082740, 2934770, 3228247, 5869540, 6456494, 12912988, 16141235, 32282470, 64564940]

約数ペア:

[(1, 64564940), (2, 32282470), (4, 16141235), (5, 12912988), (10, 6456494), (11, 5869540), (20, 3228247), (22, 2934770), (31, 2082740), (44, 1467385), (55, 1173908), (62, 1041370), (110, 586954), (124, 520685), (155, 416548), (220, 293477), (310, 208274), (341, 189340), (620, 104137), (682, 94670), (1364, 47335), (1705, 37868), (3410, 18934), (6820, 9467)]