42640624

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:458

約数の個数: 80

約数和(自身を含む): 97493760

約数和(自身を除く): 54853136

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 208, 221, 248, 272, 389, 403, 442, 496, 527, 778, 806, 884, 1054, 1556, 1612, 1768, 2108, 3112, 3224, 3536, 4216, 5057, 6224, 6448, 6613, 6851, 8432, 10114, 12059, 13226, 13702, 20228, 24118, 26452, 27404, 40456, 48236, 52904, 54808, 80912, 85969, 96472, 105808, 109616, 156767, 171938, 192944, 205003, 313534, 343876, 410006, 627068, 687752, 820012, 1254136, 1375504, 1640024, 2508272, 2665039, 3280048, 5330078, 10660156, 21320312, 42640624]

約数ペア:

[(1, 42640624), (2, 21320312), (4, 10660156), (8, 5330078), (13, 3280048), (16, 2665039), (17, 2508272), (26, 1640024), (31, 1375504), (34, 1254136), (52, 820012), (62, 687752), (68, 627068), (104, 410006), (124, 343876), (136, 313534), (208, 205003), (221, 192944), (248, 171938), (272, 156767), (389, 109616), (403, 105808), (442, 96472), (496, 85969), (527, 80912), (778, 54808), (806, 52904), (884, 48236), (1054, 40456), (1556, 27404), (1612, 26452), (1768, 24118), (2108, 20228), (3112, 13702), (3224, 13226), (3536, 12059), (4216, 10114), (5057, 8432), (6224, 6851), (6448, 6613)]