21772240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2287}}^1$

素因数の和:2324

約数の個数: 80

約数和(自身を含む): 61281792

約数和(自身を除く): 39509552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2287, 2380, 4574, 4760, 9148, 9520, 11435, 16009, 18296, 22870, 32018, 36592, 38879, 45740, 64036, 77758, 80045, 91480, 128072, 155516, 160090, 182960, 194395, 256144, 272153, 311032, 320180, 388790, 544306, 622064, 640360, 777580, 1088612, 1280720, 1360765, 1555160, 2177224, 2721530, 3110320, 4354448, 5443060, 10886120, 21772240]

約数ペア:

[(1, 21772240), (2, 10886120), (4, 5443060), (5, 4354448), (7, 3110320), (8, 2721530), (10, 2177224), (14, 1555160), (16, 1360765), (17, 1280720), (20, 1088612), (28, 777580), (34, 640360), (35, 622064), (40, 544306), (56, 388790), (68, 320180), (70, 311032), (80, 272153), (85, 256144), (112, 194395), (119, 182960), (136, 160090), (140, 155516), (170, 128072), (238, 91480), (272, 80045), (280, 77758), (340, 64036), (476, 45740), (560, 38879), (595, 36592), (680, 32018), (952, 22870), (1190, 18296), (1360, 16009), (1904, 11435), (2287, 9520), (2380, 9148), (4574, 4760)]