25499600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{1301}}^1$

素因数の和:1333

約数の個数: 90

約数和(自身を含む): 71319654

約数和(自身を除く): 45820054

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1301, 1400, 1960, 2450, 2602, 2800, 3920, 4900, 5204, 6505, 9107, 9800, 10408, 13010, 18214, 19600, 20816, 26020, 32525, 36428, 45535, 52040, 63749, 65050, 72856, 91070, 104080, 127498, 130100, 145712, 182140, 227675, 254996, 260200, 318745, 364280, 455350, 509992, 520400, 637490, 728560, 910700, 1019984, 1274980, 1593725, 1821400, 2549960, 3187450, 3642800, 5099920, 6374900, 12749800, 25499600]

約数ペア:

[(1, 25499600), (2, 12749800), (4, 6374900), (5, 5099920), (7, 3642800), (8, 3187450), (10, 2549960), (14, 1821400), (16, 1593725), (20, 1274980), (25, 1019984), (28, 910700), (35, 728560), (40, 637490), (49, 520400), (50, 509992), (56, 455350), (70, 364280), (80, 318745), (98, 260200), (100, 254996), (112, 227675), (140, 182140), (175, 145712), (196, 130100), (200, 127498), (245, 104080), (280, 91070), (350, 72856), (392, 65050), (400, 63749), (490, 52040), (560, 45535), (700, 36428), (784, 32525), (980, 26020), (1225, 20816), (1301, 19600), (1400, 18214), (1960, 13010), (2450, 10408), (2602, 9800), (2800, 9107), (3920, 6505), (4900, 5204)]