215792240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{87013}}^1$

素因数の和:87057

約数の個数: 40

約数和(自身を含む): 517907328

約数和(自身を除く): 302115088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 87013, 174026, 348052, 435065, 696104, 870130, 1392208, 1740260, 2697403, 3480520, 5394806, 6961040, 10789612, 13487015, 21579224, 26974030, 43158448, 53948060, 107896120, 215792240]

約数ペア:

[(1, 215792240), (2, 107896120), (4, 53948060), (5, 43158448), (8, 26974030), (10, 21579224), (16, 13487015), (20, 10789612), (31, 6961040), (40, 5394806), (62, 3480520), (80, 2697403), (124, 1740260), (155, 1392208), (248, 870130), (310, 696104), (496, 435065), (620, 348052), (1240, 174026), (2480, 87013)]