160404400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:423

約数の個数: 120

約数和(自身を含む): 420302960

約数和(自身を除く): 259898560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 109, 130, 200, 208, 218, 260, 283, 325, 400, 436, 520, 545, 566, 650, 872, 1040, 1090, 1132, 1300, 1415, 1417, 1744, 2180, 2264, 2600, 2725, 2830, 2834, 3679, 4360, 4528, 5200, 5450, 5660, 5668, 7075, 7085, 7358, 8720, 10900, 11320, 11336, 14150, 14170, 14716, 18395, 21800, 22640, 22672, 28300, 28340, 29432, 30847, 35425, 36790, 43600, 56600, 56680, 58864, 61694, 70850, 73580, 91975, 113200, 113360, 123388, 141700, 147160, 154235, 183950, 246776, 283400, 294320, 308470, 367900, 401011, 493552, 566800, 616940, 735800, 771175, 802022, 1233880, 1471600, 1542350, 1604044, 2005055, 2467760, 3084700, 3208088, 4010110, 6169400, 6416176, 8020220, 10025275, 12338800, 16040440, 20050550, 32080880, 40101100, 80202200, 160404400]

約数ペア:

[(1, 160404400), (2, 80202200), (4, 40101100), (5, 32080880), (8, 20050550), (10, 16040440), (13, 12338800), (16, 10025275), (20, 8020220), (25, 6416176), (26, 6169400), (40, 4010110), (50, 3208088), (52, 3084700), (65, 2467760), (80, 2005055), (100, 1604044), (104, 1542350), (109, 1471600), (130, 1233880), (200, 802022), (208, 771175), (218, 735800), (260, 616940), (283, 566800), (325, 493552), (400, 401011), (436, 367900), (520, 308470), (545, 294320), (566, 283400), (650, 246776), (872, 183950), (1040, 154235), (1090, 147160), (1132, 141700), (1300, 123388), (1415, 113360), (1417, 113200), (1744, 91975), (2180, 73580), (2264, 70850), (2600, 61694), (2725, 58864), (2830, 56680), (2834, 56600), (3679, 43600), (4360, 36790), (4528, 35425), (5200, 30847), (5450, 29432), (5660, 28340), (5668, 28300), (7075, 22672), (7085, 22640), (7358, 21800), (8720, 18395), (10900, 14716), (11320, 14170), (11336, 14150)]