13309998920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{279857}}^1$

素因数の和:279938

約数の個数: 64

約数和(自身を含む): 31735897200

約数和(自身を除く): 18425898280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 410, 580, 820, 1160, 1189, 1640, 2378, 4756, 5945, 9512, 11890, 23780, 47560, 279857, 559714, 1119428, 1399285, 2238856, 2798570, 5597140, 8115853, 11194280, 11474137, 16231706, 22948274, 32463412, 40579265, 45896548, 57370685, 64926824, 81158530, 91793096, 114741370, 162317060, 229482740, 324634120, 332749973, 458965480, 665499946, 1330999892, 1663749865, 2661999784, 3327499730, 6654999460, 13309998920]

約数ペア:

[(1, 13309998920), (2, 6654999460), (4, 3327499730), (5, 2661999784), (8, 1663749865), (10, 1330999892), (20, 665499946), (29, 458965480), (40, 332749973), (41, 324634120), (58, 229482740), (82, 162317060), (116, 114741370), (145, 91793096), (164, 81158530), (205, 64926824), (232, 57370685), (290, 45896548), (328, 40579265), (410, 32463412), (580, 22948274), (820, 16231706), (1160, 11474137), (1189, 11194280), (1640, 8115853), (2378, 5597140), (4756, 2798570), (5945, 2238856), (9512, 1399285), (11890, 1119428), (23780, 559714), (47560, 279857)]