16668860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1051}}^1$

素因数の和:1134

約数の個数: 48

約数和(自身を含む): 38351712

約数和(自身を除く): 21682852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1051, 1220, 1586, 2102, 3172, 3965, 4204, 5255, 7930, 10510, 13663, 15860, 21020, 27326, 54652, 64111, 68315, 128222, 136630, 256444, 273260, 320555, 641110, 833443, 1282220, 1666886, 3333772, 4167215, 8334430, 16668860]

約数ペア:

[(1, 16668860), (2, 8334430), (4, 4167215), (5, 3333772), (10, 1666886), (13, 1282220), (20, 833443), (26, 641110), (52, 320555), (61, 273260), (65, 256444), (122, 136630), (130, 128222), (244, 68315), (260, 64111), (305, 54652), (610, 27326), (793, 21020), (1051, 15860), (1220, 13663), (1586, 10510), (2102, 7930), (3172, 5255), (3965, 4204)]