81952240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60259}}^1$

素因数の和:60289

約数の個数: 40

約数和(自身を含む): 201750480

約数和(自身を除く): 119798240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 60259, 120518, 241036, 301295, 482072, 602590, 964144, 1024403, 1205180, 2048806, 2410360, 4097612, 4820720, 5122015, 8195224, 10244030, 16390448, 20488060, 40976120, 81952240]

約数ペア:

[(1, 81952240), (2, 40976120), (4, 20488060), (5, 16390448), (8, 10244030), (10, 8195224), (16, 5122015), (17, 4820720), (20, 4097612), (34, 2410360), (40, 2048806), (68, 1205180), (80, 1024403), (85, 964144), (136, 602590), (170, 482072), (272, 301295), (340, 241036), (680, 120518), (1360, 60259)]