40254400

素因数分解:

$2^6\times 5^2\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:342

約数の個数: 84

約数和(自身を含む): 100314760

約数和(自身を除く): 60060360

約数列:

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

約数ペア:

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