12558650

素因数分解:

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

素因数の和:303

約数の個数: 36

約数和(自身を含む): 25338222

約数和(自身を除く): 12779572

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 139, 278, 325, 650, 695, 1390, 1807, 3475, 3614, 6950, 9035, 18070, 19321, 38642, 45175, 90350, 96605, 193210, 251173, 483025, 502346, 966050, 1255865, 2511730, 6279325, 12558650]

約数ペア:

[(1, 12558650), (2, 6279325), (5, 2511730), (10, 1255865), (13, 966050), (25, 502346), (26, 483025), (50, 251173), (65, 193210), (130, 96605), (139, 90350), (278, 45175), (325, 38642), (650, 19321), (695, 18070), (1390, 9035), (1807, 6950), (3475, 3614)]