728253040

素因数分解:

$2^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{25357}}^1$

素因数の和:25729

約数の個数: 40

約数和(自身を含む): 1697971680

約数和(自身を除く): 969718640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 718, 1436, 1795, 2872, 3590, 5744, 7180, 14360, 25357, 28720, 50714, 101428, 126785, 202856, 253570, 405712, 507140, 1014280, 2028560, 9103163, 18206326, 36412652, 45515815, 72825304, 91031630, 145650608, 182063260, 364126520, 728253040]

約数ペア:

[(1, 728253040), (2, 364126520), (4, 182063260), (5, 145650608), (8, 91031630), (10, 72825304), (16, 45515815), (20, 36412652), (40, 18206326), (80, 9103163), (359, 2028560), (718, 1014280), (1436, 507140), (1795, 405712), (2872, 253570), (3590, 202856), (5744, 126785), (7180, 101428), (14360, 50714), (25357, 28720)]