25117300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^2$

素因数の和:305

約数の個数: 54

約数和(自身を含む): 59122518

約数和(自身を除く): 34005218

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 139, 260, 278, 325, 556, 650, 695, 1300, 1390, 1807, 2780, 3475, 3614, 6950, 7228, 9035, 13900, 18070, 19321, 36140, 38642, 45175, 77284, 90350, 96605, 180700, 193210, 251173, 386420, 483025, 502346, 966050, 1004692, 1255865, 1932100, 2511730, 5023460, 6279325, 12558650, 25117300]

約数ペア:

[(1, 25117300), (2, 12558650), (4, 6279325), (5, 5023460), (10, 2511730), (13, 1932100), (20, 1255865), (25, 1004692), (26, 966050), (50, 502346), (52, 483025), (65, 386420), (100, 251173), (130, 193210), (139, 180700), (260, 96605), (278, 90350), (325, 77284), (556, 45175), (650, 38642), (695, 36140), (1300, 19321), (1390, 18070), (1807, 13900), (2780, 9035), (3475, 7228), (3614, 6950)]