77312800

素因数分解:

$2^5\times 5^2\times {\mathrm{241}}^1\times {\mathrm{401}}^1$

素因数の和:662

約数の個数: 72

約数和(自身を含む): 189995652

約数和(自身を除く): 112682852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 241, 400, 401, 482, 800, 802, 964, 1205, 1604, 1928, 2005, 2410, 3208, 3856, 4010, 4820, 6025, 6416, 7712, 8020, 9640, 10025, 12050, 12832, 16040, 19280, 20050, 24100, 32080, 38560, 40100, 48200, 64160, 80200, 96400, 96641, 160400, 192800, 193282, 320800, 386564, 483205, 773128, 966410, 1546256, 1932820, 2416025, 3092512, 3865640, 4832050, 7731280, 9664100, 15462560, 19328200, 38656400, 77312800]

約数ペア:

[(1, 77312800), (2, 38656400), (4, 19328200), (5, 15462560), (8, 9664100), (10, 7731280), (16, 4832050), (20, 3865640), (25, 3092512), (32, 2416025), (40, 1932820), (50, 1546256), (80, 966410), (100, 773128), (160, 483205), (200, 386564), (241, 320800), (400, 193282), (401, 192800), (482, 160400), (800, 96641), (802, 96400), (964, 80200), (1205, 64160), (1604, 48200), (1928, 40100), (2005, 38560), (2410, 32080), (3208, 24100), (3856, 20050), (4010, 19280), (4820, 16040), (6025, 12832), (6416, 12050), (7712, 10025), (8020, 9640)]