20260457900

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1399}}^1\times {\mathrm{1493}}^1$

素因数の和:3003

約数の個数: 72

約数和(自身を含む): 44479965600

約数和(自身を除く): 24219507700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1399, 1493, 1940, 2425, 2798, 2986, 4850, 5596, 5972, 6995, 7465, 9700, 13990, 14930, 27980, 29860, 34975, 37325, 69950, 74650, 135703, 139900, 144821, 149300, 271406, 289642, 542812, 579284, 678515, 724105, 1357030, 1448210, 2088707, 2714060, 2896420, 3392575, 3620525, 4177414, 6785150, 7241050, 8354828, 10443535, 13570300, 14482100, 20887070, 41774140, 52217675, 104435350, 202604579, 208870700, 405209158, 810418316, 1013022895, 2026045790, 4052091580, 5065114475, 10130228950, 20260457900]

約数ペア:

[(1, 20260457900), (2, 10130228950), (4, 5065114475), (5, 4052091580), (10, 2026045790), (20, 1013022895), (25, 810418316), (50, 405209158), (97, 208870700), (100, 202604579), (194, 104435350), (388, 52217675), (485, 41774140), (970, 20887070), (1399, 14482100), (1493, 13570300), (1940, 10443535), (2425, 8354828), (2798, 7241050), (2986, 6785150), (4850, 4177414), (5596, 3620525), (5972, 3392575), (6995, 2896420), (7465, 2714060), (9700, 2088707), (13990, 1448210), (14930, 1357030), (27980, 724105), (29860, 678515), (34975, 579284), (37325, 542812), (69950, 289642), (74650, 271406), (135703, 149300), (139900, 144821)]