2125153720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{12689}}^1$

素因数の和:12832

約数の個数: 64

約数和(自身を含む): 4933872000

約数和(自身を除く): 2808718280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 79, 106, 158, 212, 265, 316, 395, 424, 530, 632, 790, 1060, 1580, 2120, 3160, 4187, 8374, 12689, 16748, 20935, 25378, 33496, 41870, 50756, 63445, 83740, 101512, 126890, 167480, 253780, 507560, 672517, 1002431, 1345034, 2004862, 2690068, 3362585, 4009724, 5012155, 5380136, 6725170, 8019448, 10024310, 13450340, 20048620, 26900680, 40097240, 53128843, 106257686, 212515372, 265644215, 425030744, 531288430, 1062576860, 2125153720]

約数ペア:

[(1, 2125153720), (2, 1062576860), (4, 531288430), (5, 425030744), (8, 265644215), (10, 212515372), (20, 106257686), (40, 53128843), (53, 40097240), (79, 26900680), (106, 20048620), (158, 13450340), (212, 10024310), (265, 8019448), (316, 6725170), (395, 5380136), (424, 5012155), (530, 4009724), (632, 3362585), (790, 2690068), (1060, 2004862), (1580, 1345034), (2120, 1002431), (3160, 672517), (4187, 507560), (8374, 253780), (12689, 167480), (16748, 126890), (20935, 101512), (25378, 83740), (33496, 63445), (41870, 50756)]