21785540720480

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4392246113}}^1$

素因数の和:4392246159

約数の個数: 48

約数和(自身を含む): 53128608994944

約数和(自身を除く): 31343068274464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 4392246113, 8784492226, 17568984452, 21961230565, 35137968904, 43922461130, 70275937808, 87844922260, 136159629503, 140551875616, 175689844520, 272319259006, 351379689040, 544638518012, 680798147515, 702759378080, 1089277036024, 1361596295030, 2178554072048, 2723192590060, 4357108144096, 5446385180120, 10892770360240, 21785540720480]

約数ペア:

[(1, 21785540720480), (2, 10892770360240), (4, 5446385180120), (5, 4357108144096), (8, 2723192590060), (10, 2178554072048), (16, 1361596295030), (20, 1089277036024), (31, 702759378080), (32, 680798147515), (40, 544638518012), (62, 351379689040), (80, 272319259006), (124, 175689844520), (155, 140551875616), (160, 136159629503), (248, 87844922260), (310, 70275937808), (496, 43922461130), (620, 35137968904), (992, 21961230565), (1240, 17568984452), (2480, 8784492226), (4960, 4392246113)]