12976520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6121}}^1$

素因数の和:6185

約数の個数: 32

約数和(自身を含む): 29752920

約数和(自身を除く): 16776400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 6121, 12242, 24484, 30605, 48968, 61210, 122420, 244840, 324413, 648826, 1297652, 1622065, 2595304, 3244130, 6488260, 12976520]

約数ペア:

[(1, 12976520), (2, 6488260), (4, 3244130), (5, 2595304), (8, 1622065), (10, 1297652), (20, 648826), (40, 324413), (53, 244840), (106, 122420), (212, 61210), (265, 48968), (424, 30605), (530, 24484), (1060, 12242), (2120, 6121)]