50781380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11489}}^1$

素因数の和:11528

約数の個数: 48

約数和(自身を含む): 121610160

約数和(自身を除く): 70828780

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 11489, 22978, 45956, 57445, 114890, 149357, 195313, 229780, 298714, 390626, 597428, 746785, 781252, 976565, 1493570, 1953130, 2539069, 2987140, 3906260, 5078138, 10156276, 12695345, 25390690, 50781380]

約数ペア:

[(1, 50781380), (2, 25390690), (4, 12695345), (5, 10156276), (10, 5078138), (13, 3906260), (17, 2987140), (20, 2539069), (26, 1953130), (34, 1493570), (52, 976565), (65, 781252), (68, 746785), (85, 597428), (130, 390626), (170, 298714), (221, 229780), (260, 195313), (340, 149357), (442, 114890), (884, 57445), (1105, 45956), (2210, 22978), (4420, 11489)]