51622240

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16981}}^1$

素因数の和:17015

約数の個数: 48

約数和(自身を含む): 128383920

約数和(自身を除く): 76761680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 16981, 33962, 67924, 84905, 135848, 169810, 271696, 322639, 339620, 543392, 645278, 679240, 1290556, 1358480, 1613195, 2581112, 2716960, 3226390, 5162224, 6452780, 10324448, 12905560, 25811120, 51622240]

約数ペア:

[(1, 51622240), (2, 25811120), (4, 12905560), (5, 10324448), (8, 6452780), (10, 5162224), (16, 3226390), (19, 2716960), (20, 2581112), (32, 1613195), (38, 1358480), (40, 1290556), (76, 679240), (80, 645278), (95, 543392), (152, 339620), (160, 322639), (190, 271696), (304, 169810), (380, 135848), (608, 84905), (760, 67924), (1520, 33962), (3040, 16981)]