12963940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{487}}^1$

素因数の和:529

約数の個数: 48

約数和(自身を含む): 30006144

約数和(自身を除く): 17042204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 487, 605, 974, 1210, 1331, 1948, 2420, 2435, 2662, 4870, 5324, 5357, 6655, 9740, 10714, 13310, 21428, 26620, 26785, 53570, 58927, 107140, 117854, 235708, 294635, 589270, 648197, 1178540, 1296394, 2592788, 3240985, 6481970, 12963940]

約数ペア:

[(1, 12963940), (2, 6481970), (4, 3240985), (5, 2592788), (10, 1296394), (11, 1178540), (20, 648197), (22, 589270), (44, 294635), (55, 235708), (110, 117854), (121, 107140), (220, 58927), (242, 53570), (484, 26785), (487, 26620), (605, 21428), (974, 13310), (1210, 10714), (1331, 9740), (1948, 6655), (2420, 5357), (2435, 5324), (2662, 4870)]