66129880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{87013}}^1$

素因数の和:87043

約数の個数: 32

約数和(自身を含む): 156625200

約数和(自身を除く): 90495320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 87013, 174026, 348052, 435065, 696104, 870130, 1653247, 1740260, 3306494, 3480520, 6612988, 8266235, 13225976, 16532470, 33064940, 66129880]

約数ペア:

[(1, 66129880), (2, 33064940), (4, 16532470), (5, 13225976), (8, 8266235), (10, 6612988), (19, 3480520), (20, 3306494), (38, 1740260), (40, 1653247), (76, 870130), (95, 696104), (152, 435065), (190, 348052), (380, 174026), (760, 87013)]