55380880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 134705664

約数和(自身を除く): 79324784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 137, 155, 163, 248, 274, 310, 326, 496, 548, 620, 652, 685, 815, 1096, 1240, 1304, 1370, 1630, 2192, 2480, 2608, 2740, 3260, 4247, 5053, 5480, 6520, 8494, 10106, 10960, 13040, 16988, 20212, 21235, 22331, 25265, 33976, 40424, 42470, 44662, 50530, 67952, 80848, 84940, 89324, 101060, 111655, 169880, 178648, 202120, 223310, 339760, 357296, 404240, 446620, 692261, 893240, 1384522, 1786480, 2769044, 3461305, 5538088, 6922610, 11076176, 13845220, 27690440, 55380880]

約数ペア:

[(1, 55380880), (2, 27690440), (4, 13845220), (5, 11076176), (8, 6922610), (10, 5538088), (16, 3461305), (20, 2769044), (31, 1786480), (40, 1384522), (62, 893240), (80, 692261), (124, 446620), (137, 404240), (155, 357296), (163, 339760), (248, 223310), (274, 202120), (310, 178648), (326, 169880), (496, 111655), (548, 101060), (620, 89324), (652, 84940), (685, 80848), (815, 67952), (1096, 50530), (1240, 44662), (1304, 42470), (1370, 40424), (1630, 33976), (2192, 25265), (2480, 22331), (2608, 21235), (2740, 20212), (3260, 16988), (4247, 13040), (5053, 10960), (5480, 10106), (6520, 8494)]