40013380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{761}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 92171520

約数和(自身を除く): 52158140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 239, 478, 761, 956, 1195, 1522, 2390, 2629, 3044, 3805, 4780, 5258, 7610, 8371, 10516, 13145, 15220, 16742, 26290, 33484, 41855, 52580, 83710, 167420, 181879, 363758, 727516, 909395, 1818790, 2000669, 3637580, 4001338, 8002676, 10003345, 20006690, 40013380]

約数ペア:

[(1, 40013380), (2, 20006690), (4, 10003345), (5, 8002676), (10, 4001338), (11, 3637580), (20, 2000669), (22, 1818790), (44, 909395), (55, 727516), (110, 363758), (220, 181879), (239, 167420), (478, 83710), (761, 52580), (956, 41855), (1195, 33484), (1522, 26290), (2390, 16742), (2629, 15220), (3044, 13145), (3805, 10516), (4780, 8371), (5258, 7610)]