86863640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{359}}^1$

素因数の和:656

約数の個数: 64

約数和(自身を含む): 205286400

約数和(自身を除く): 118422760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 263, 359, 460, 526, 718, 920, 1052, 1315, 1436, 1795, 2104, 2630, 2872, 3590, 5260, 6049, 7180, 8257, 10520, 12098, 14360, 16514, 24196, 30245, 33028, 41285, 48392, 60490, 66056, 82570, 94417, 120980, 165140, 188834, 241960, 330280, 377668, 472085, 755336, 944170, 1888340, 2171591, 3776680, 4343182, 8686364, 10857955, 17372728, 21715910, 43431820, 86863640]

約数ペア:

[(1, 86863640), (2, 43431820), (4, 21715910), (5, 17372728), (8, 10857955), (10, 8686364), (20, 4343182), (23, 3776680), (40, 2171591), (46, 1888340), (92, 944170), (115, 755336), (184, 472085), (230, 377668), (263, 330280), (359, 241960), (460, 188834), (526, 165140), (718, 120980), (920, 94417), (1052, 82570), (1315, 66056), (1436, 60490), (1795, 48392), (2104, 41285), (2630, 33028), (2872, 30245), (3590, 24196), (5260, 16514), (6049, 14360), (7180, 12098), (8257, 10520)]