25171040

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2579}}^1$

素因数の和:2655

約数の個数: 48

約数和(自身を含む): 60464880

約数和(自身を除く): 35293840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 2579, 4880, 5158, 9760, 10316, 12895, 20632, 25790, 41264, 51580, 82528, 103160, 157319, 206320, 314638, 412640, 629276, 786595, 1258552, 1573190, 2517104, 3146380, 5034208, 6292760, 12585520, 25171040]

約数ペア:

[(1, 25171040), (2, 12585520), (4, 6292760), (5, 5034208), (8, 3146380), (10, 2517104), (16, 1573190), (20, 1258552), (32, 786595), (40, 629276), (61, 412640), (80, 314638), (122, 206320), (160, 157319), (244, 103160), (305, 82528), (488, 51580), (610, 41264), (976, 25790), (1220, 20632), (1952, 12895), (2440, 10316), (2579, 9760), (4880, 5158)]