25311950

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 49218576

約数和(自身を除く): 23906626

約数列:

[1, 2, 5, 10, 25, 43, 50, 61, 86, 122, 193, 215, 305, 386, 430, 610, 965, 1075, 1525, 1930, 2150, 2623, 3050, 4825, 5246, 8299, 9650, 11773, 13115, 16598, 23546, 26230, 41495, 58865, 65575, 82990, 117730, 131150, 207475, 294325, 414950, 506239, 588650, 1012478, 2531195, 5062390, 12655975, 25311950]

約数ペア:

[(1, 25311950), (2, 12655975), (5, 5062390), (10, 2531195), (25, 1012478), (43, 588650), (50, 506239), (61, 414950), (86, 294325), (122, 207475), (193, 131150), (215, 117730), (305, 82990), (386, 65575), (430, 58865), (610, 41495), (965, 26230), (1075, 23546), (1525, 16598), (1930, 13115), (2150, 11773), (2623, 9650), (3050, 8299), (4825, 5246)]