42745000

素因数分解:

$2^3\times 5^4\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 102342240

約数和(自身を除く): 59597240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 83, 100, 103, 125, 166, 200, 206, 250, 332, 412, 415, 500, 515, 625, 664, 824, 830, 1000, 1030, 1250, 1660, 2060, 2075, 2500, 2575, 3320, 4120, 4150, 5000, 5150, 8300, 8549, 10300, 10375, 12875, 16600, 17098, 20600, 20750, 25750, 34196, 41500, 42745, 51500, 51875, 64375, 68392, 83000, 85490, 103000, 103750, 128750, 170980, 207500, 213725, 257500, 341960, 415000, 427450, 515000, 854900, 1068625, 1709800, 2137250, 4274500, 5343125, 8549000, 10686250, 21372500, 42745000]

約数ペア:

[(1, 42745000), (2, 21372500), (4, 10686250), (5, 8549000), (8, 5343125), (10, 4274500), (20, 2137250), (25, 1709800), (40, 1068625), (50, 854900), (83, 515000), (100, 427450), (103, 415000), (125, 341960), (166, 257500), (200, 213725), (206, 207500), (250, 170980), (332, 128750), (412, 103750), (415, 103000), (500, 85490), (515, 83000), (625, 68392), (664, 64375), (824, 51875), (830, 51500), (1000, 42745), (1030, 41500), (1250, 34196), (1660, 25750), (2060, 20750), (2075, 20600), (2500, 17098), (2575, 16600), (3320, 12875), (4120, 10375), (4150, 10300), (5000, 8549), (5150, 8300)]