20512990400

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{1831517}}^1$

素因数の和:1831546

約数の個数: 84

約数和(自身を含む): 57685490928

約数和(自身を除く): 37172500528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 700, 800, 1120, 1400, 1600, 2240, 2800, 5600, 11200, 1831517, 3663034, 7326068, 9157585, 12820619, 14652136, 18315170, 25641238, 29304272, 36630340, 45787925, 51282476, 58608544, 64103095, 73260680, 91575850, 102564952, 117217088, 128206190, 146521360, 183151700, 205129904, 256412380, 293042720, 320515475, 366303400, 410259808, 512824760, 586085440, 641030950, 732606800, 820519616, 1025649520, 1282061900, 1465213600, 2051299040, 2564123800, 2930427200, 4102598080, 5128247600, 10256495200, 20512990400]

約数ペア:

[(1, 20512990400), (2, 10256495200), (4, 5128247600), (5, 4102598080), (7, 2930427200), (8, 2564123800), (10, 2051299040), (14, 1465213600), (16, 1282061900), (20, 1025649520), (25, 820519616), (28, 732606800), (32, 641030950), (35, 586085440), (40, 512824760), (50, 410259808), (56, 366303400), (64, 320515475), (70, 293042720), (80, 256412380), (100, 205129904), (112, 183151700), (140, 146521360), (160, 128206190), (175, 117217088), (200, 102564952), (224, 91575850), (280, 73260680), (320, 64103095), (350, 58608544), (400, 51282476), (448, 45787925), (560, 36630340), (700, 29304272), (800, 25641238), (1120, 18315170), (1400, 14652136), (1600, 12820619), (2240, 9157585), (2800, 7326068), (5600, 3663034), (11200, 1831517)]