42080780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17681}}^1$

素因数の和:17714

約数の個数: 48

約数和(自身を含む): 106940736

約数和(自身を除く): 64859956

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 17681, 35362, 70724, 88405, 123767, 176810, 247534, 300577, 353620, 495068, 601154, 618835, 1202308, 1237670, 1502885, 2104039, 2475340, 3005770, 4208078, 6011540, 8416156, 10520195, 21040390, 42080780]

約数ペア:

[(1, 42080780), (2, 21040390), (4, 10520195), (5, 8416156), (7, 6011540), (10, 4208078), (14, 3005770), (17, 2475340), (20, 2104039), (28, 1502885), (34, 1237670), (35, 1202308), (68, 618835), (70, 601154), (85, 495068), (119, 353620), (140, 300577), (170, 247534), (238, 176810), (340, 123767), (476, 88405), (595, 70724), (1190, 35362), (2380, 17681)]