86756920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{521}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 205208640

約数和(自身を除く): 118451720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 181, 184, 230, 362, 460, 521, 724, 905, 920, 1042, 1448, 1810, 2084, 2605, 3620, 4163, 4168, 5210, 7240, 8326, 10420, 11983, 16652, 20815, 20840, 23966, 33304, 41630, 47932, 59915, 83260, 94301, 95864, 119830, 166520, 188602, 239660, 377204, 471505, 479320, 754408, 943010, 1886020, 2168923, 3772040, 4337846, 8675692, 10844615, 17351384, 21689230, 43378460, 86756920]

約数ペア:

[(1, 86756920), (2, 43378460), (4, 21689230), (5, 17351384), (8, 10844615), (10, 8675692), (20, 4337846), (23, 3772040), (40, 2168923), (46, 1886020), (92, 943010), (115, 754408), (181, 479320), (184, 471505), (230, 377204), (362, 239660), (460, 188602), (521, 166520), (724, 119830), (905, 95864), (920, 94301), (1042, 83260), (1448, 59915), (1810, 47932), (2084, 41630), (2605, 33304), (3620, 23966), (4163, 20840), (4168, 20815), (5210, 16652), (7240, 11983), (8326, 10420)]