25156979720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{136693}}^1$

素因数の和:136854

約数の個数: 64

約数和(自身を含む): 58461289920

約数和(自身を除く): 33304310200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 107, 172, 214, 215, 344, 428, 430, 535, 856, 860, 1070, 1720, 2140, 4280, 4601, 9202, 18404, 23005, 36808, 46010, 92020, 136693, 184040, 273386, 546772, 683465, 1093544, 1366930, 2733860, 5467720, 5877799, 11755598, 14626151, 23511196, 29252302, 29388995, 47022392, 58504604, 58777990, 73130755, 117009208, 117555980, 146261510, 235111960, 292523020, 585046040, 628924493, 1257848986, 2515697972, 3144622465, 5031395944, 6289244930, 12578489860, 25156979720]

約数ペア:

[(1, 25156979720), (2, 12578489860), (4, 6289244930), (5, 5031395944), (8, 3144622465), (10, 2515697972), (20, 1257848986), (40, 628924493), (43, 585046040), (86, 292523020), (107, 235111960), (172, 146261510), (214, 117555980), (215, 117009208), (344, 73130755), (428, 58777990), (430, 58504604), (535, 47022392), (856, 29388995), (860, 29252302), (1070, 23511196), (1720, 14626151), (2140, 11755598), (4280, 5877799), (4601, 5467720), (9202, 2733860), (18404, 1366930), (23005, 1093544), (36808, 683465), (46010, 546772), (92020, 273386), (136693, 184040)]