20052800

素因数分解:

$2^6\times 5^2\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:256

約数の個数: 84

約数和(自身を含む): 50267616

約数和(自身を除く): 30214816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 83, 100, 151, 160, 166, 200, 302, 320, 332, 400, 415, 604, 664, 755, 800, 830, 1208, 1328, 1510, 1600, 1660, 2075, 2416, 2656, 3020, 3320, 3775, 4150, 4832, 5312, 6040, 6640, 7550, 8300, 9664, 12080, 12533, 13280, 15100, 16600, 24160, 25066, 26560, 30200, 33200, 48320, 50132, 60400, 62665, 66400, 100264, 120800, 125330, 132800, 200528, 241600, 250660, 313325, 401056, 501320, 626650, 802112, 1002640, 1253300, 2005280, 2506600, 4010560, 5013200, 10026400, 20052800]

約数ペア:

[(1, 20052800), (2, 10026400), (4, 5013200), (5, 4010560), (8, 2506600), (10, 2005280), (16, 1253300), (20, 1002640), (25, 802112), (32, 626650), (40, 501320), (50, 401056), (64, 313325), (80, 250660), (83, 241600), (100, 200528), (151, 132800), (160, 125330), (166, 120800), (200, 100264), (302, 66400), (320, 62665), (332, 60400), (400, 50132), (415, 48320), (604, 33200), (664, 30200), (755, 26560), (800, 25066), (830, 24160), (1208, 16600), (1328, 15100), (1510, 13280), (1600, 12533), (1660, 12080), (2075, 9664), (2416, 8300), (2656, 7550), (3020, 6640), (3320, 6040), (3775, 5312), (4150, 4832)]