24102980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1231}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 31780540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1231, 1780, 1958, 2462, 3916, 4895, 4924, 6155, 9790, 12310, 13541, 19580, 24620, 27082, 54164, 67705, 109559, 135410, 219118, 270820, 438236, 547795, 1095590, 1205149, 2191180, 2410298, 4820596, 6025745, 12051490, 24102980]

約数ペア:

[(1, 24102980), (2, 12051490), (4, 6025745), (5, 4820596), (10, 2410298), (11, 2191180), (20, 1205149), (22, 1095590), (44, 547795), (55, 438236), (89, 270820), (110, 219118), (178, 135410), (220, 109559), (356, 67705), (445, 54164), (890, 27082), (979, 24620), (1231, 19580), (1780, 13541), (1958, 12310), (2462, 9790), (3916, 6155), (4895, 4924)]