40503200

素因数分解:

$2^5\times 5^2\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:474

約数の個数: 72

約数和(自身を含む): 99767052

約数和(自身を除く): 59263852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 197, 200, 257, 394, 400, 514, 788, 800, 985, 1028, 1285, 1576, 1970, 2056, 2570, 3152, 3940, 4112, 4925, 5140, 6304, 6425, 7880, 8224, 9850, 10280, 12850, 15760, 19700, 20560, 25700, 31520, 39400, 41120, 50629, 51400, 78800, 101258, 102800, 157600, 202516, 205600, 253145, 405032, 506290, 810064, 1012580, 1265725, 1620128, 2025160, 2531450, 4050320, 5062900, 8100640, 10125800, 20251600, 40503200]

約数ペア:

[(1, 40503200), (2, 20251600), (4, 10125800), (5, 8100640), (8, 5062900), (10, 4050320), (16, 2531450), (20, 2025160), (25, 1620128), (32, 1265725), (40, 1012580), (50, 810064), (80, 506290), (100, 405032), (160, 253145), (197, 205600), (200, 202516), (257, 157600), (394, 102800), (400, 101258), (514, 78800), (788, 51400), (800, 50629), (985, 41120), (1028, 39400), (1285, 31520), (1576, 25700), (1970, 20560), (2056, 19700), (2570, 15760), (3152, 12850), (3940, 10280), (4112, 9850), (4925, 8224), (5140, 7880), (6304, 6425)]