80508800

素因数分解:

$2^7\times 5^2\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:344

約数の個数: 96

約数和(自身を含む): 201419400

約数和(自身を除く): 120910600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 139, 160, 181, 200, 278, 320, 362, 400, 556, 640, 695, 724, 800, 905, 1112, 1390, 1448, 1600, 1810, 2224, 2780, 2896, 3200, 3475, 3620, 4448, 4525, 5560, 5792, 6950, 7240, 8896, 9050, 11120, 11584, 13900, 14480, 17792, 18100, 22240, 23168, 25159, 27800, 28960, 36200, 44480, 50318, 55600, 57920, 72400, 88960, 100636, 111200, 115840, 125795, 144800, 201272, 222400, 251590, 289600, 402544, 444800, 503180, 579200, 628975, 805088, 1006360, 1257950, 1610176, 2012720, 2515900, 3220352, 4025440, 5031800, 8050880, 10063600, 16101760, 20127200, 40254400, 80508800]

約数ペア:

[(1, 80508800), (2, 40254400), (4, 20127200), (5, 16101760), (8, 10063600), (10, 8050880), (16, 5031800), (20, 4025440), (25, 3220352), (32, 2515900), (40, 2012720), (50, 1610176), (64, 1257950), (80, 1006360), (100, 805088), (128, 628975), (139, 579200), (160, 503180), (181, 444800), (200, 402544), (278, 289600), (320, 251590), (362, 222400), (400, 201272), (556, 144800), (640, 125795), (695, 115840), (724, 111200), (800, 100636), (905, 88960), (1112, 72400), (1390, 57920), (1448, 55600), (1600, 50318), (1810, 44480), (2224, 36200), (2780, 28960), (2896, 27800), (3200, 25159), (3475, 23168), (3620, 22240), (4448, 18100), (4525, 17792), (5560, 14480), (5792, 13900), (6950, 11584), (7240, 11120), (8896, 9050)]