2113161940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{7757}}^1$

素因数の和:8076

約数の個数: 48

約数和(自身を含む): 4539547152

約数和(自身を除く): 2426385212

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 257, 265, 514, 530, 1028, 1060, 1285, 2570, 5140, 7757, 13621, 15514, 27242, 31028, 38785, 54484, 68105, 77570, 136210, 155140, 272420, 411121, 822242, 1644484, 1993549, 2055605, 3987098, 4111210, 7974196, 8222420, 9967745, 19935490, 39870980, 105658097, 211316194, 422632388, 528290485, 1056580970, 2113161940]

約数ペア:

[(1, 2113161940), (2, 1056580970), (4, 528290485), (5, 422632388), (10, 211316194), (20, 105658097), (53, 39870980), (106, 19935490), (212, 9967745), (257, 8222420), (265, 7974196), (514, 4111210), (530, 3987098), (1028, 2055605), (1060, 1993549), (1285, 1644484), (2570, 822242), (5140, 411121), (7757, 272420), (13621, 155140), (15514, 136210), (27242, 77570), (31028, 68105), (38785, 54484)]