12862460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 29602272

約数和(自身を除く): 16739812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 811, 1220, 1586, 1622, 3172, 3244, 3965, 4055, 7930, 8110, 10543, 15860, 16220, 21086, 42172, 49471, 52715, 98942, 105430, 197884, 210860, 247355, 494710, 643123, 989420, 1286246, 2572492, 3215615, 6431230, 12862460]

約数ペア:

[(1, 12862460), (2, 6431230), (4, 3215615), (5, 2572492), (10, 1286246), (13, 989420), (20, 643123), (26, 494710), (52, 247355), (61, 210860), (65, 197884), (122, 105430), (130, 98942), (244, 52715), (260, 49471), (305, 42172), (610, 21086), (793, 16220), (811, 15860), (1220, 10543), (1586, 8110), (1622, 7930), (3172, 4055), (3244, 3965)]