13313303720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4687783}}^1$

素因数の和:4687865

約数の個数: 32

約数和(自身を含む): 30376840320

約数和(自身を除く): 17063536600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 4687783, 9375566, 18751132, 23438915, 37502264, 46877830, 93755660, 187511320, 332832593, 665665186, 1331330372, 1664162965, 2662660744, 3328325930, 6656651860, 13313303720]

約数ペア:

[(1, 13313303720), (2, 6656651860), (4, 3328325930), (5, 2662660744), (8, 1664162965), (10, 1331330372), (20, 665665186), (40, 332832593), (71, 187511320), (142, 93755660), (284, 46877830), (355, 37502264), (568, 23438915), (710, 18751132), (1420, 9375566), (2840, 4687783)]