25343890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:547

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 29813870

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 37, 55, 65, 74, 110, 130, 143, 185, 286, 370, 407, 479, 481, 715, 814, 958, 962, 1430, 2035, 2395, 2405, 4070, 4790, 4810, 5269, 5291, 6227, 10538, 10582, 12454, 17723, 26345, 26455, 31135, 35446, 52690, 52910, 62270, 68497, 88615, 136994, 177230, 194953, 230399, 342485, 389906, 460798, 684970, 974765, 1151995, 1949530, 2303990, 2534389, 5068778, 12671945, 25343890]

約数ペア:

[(1, 25343890), (2, 12671945), (5, 5068778), (10, 2534389), (11, 2303990), (13, 1949530), (22, 1151995), (26, 974765), (37, 684970), (55, 460798), (65, 389906), (74, 342485), (110, 230399), (130, 194953), (143, 177230), (185, 136994), (286, 88615), (370, 68497), (407, 62270), (479, 52910), (481, 52690), (715, 35446), (814, 31135), (958, 26455), (962, 26345), (1430, 17723), (2035, 12454), (2395, 10582), (2405, 10538), (4070, 6227), (4790, 5291), (4810, 5269)]