25513250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 55710720

約数和(自身を除く): 30197470

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 61, 70, 122, 125, 175, 239, 250, 305, 350, 427, 478, 610, 854, 875, 1195, 1525, 1673, 1750, 2135, 2390, 3050, 3346, 4270, 5975, 7625, 8365, 10675, 11950, 14579, 15250, 16730, 21350, 29158, 29875, 41825, 53375, 59750, 72895, 83650, 102053, 106750, 145790, 204106, 209125, 364475, 418250, 510265, 728950, 1020530, 1822375, 2551325, 3644750, 5102650, 12756625, 25513250]

約数ペア:

[(1, 25513250), (2, 12756625), (5, 5102650), (7, 3644750), (10, 2551325), (14, 1822375), (25, 1020530), (35, 728950), (50, 510265), (61, 418250), (70, 364475), (122, 209125), (125, 204106), (175, 145790), (239, 106750), (250, 102053), (305, 83650), (350, 72895), (427, 59750), (478, 53375), (610, 41825), (854, 29875), (875, 29158), (1195, 21350), (1525, 16730), (1673, 15250), (1750, 14579), (2135, 11950), (2390, 10675), (3050, 8365), (3346, 7625), (4270, 5975)]