31356820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6197}}^1$

素因数の和:6240

約数の個数: 48

約数和(自身を含む): 74971008

約数和(自身を除く): 43614188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 6197, 12394, 24788, 30985, 61970, 68167, 123940, 136334, 142531, 272668, 285062, 340835, 570124, 681670, 712655, 1363340, 1425310, 1567841, 2850620, 3135682, 6271364, 7839205, 15678410, 31356820]

約数ペア:

[(1, 31356820), (2, 15678410), (4, 7839205), (5, 6271364), (10, 3135682), (11, 2850620), (20, 1567841), (22, 1425310), (23, 1363340), (44, 712655), (46, 681670), (55, 570124), (92, 340835), (110, 285062), (115, 272668), (220, 142531), (230, 136334), (253, 123940), (460, 68167), (506, 61970), (1012, 30985), (1265, 24788), (2530, 12394), (5060, 6197)]