1285636960

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{259201}}^1$

素因数の和:259247

約数の個数: 48

約数和(自身を含む): 3135307392

約数和(自身を除く): 1849670432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 259201, 518402, 1036804, 1296005, 2073608, 2592010, 4147216, 5184020, 8035231, 8294432, 10368040, 16070462, 20736080, 32140924, 40176155, 41472160, 64281848, 80352310, 128563696, 160704620, 257127392, 321409240, 642818480, 1285636960]

約数ペア:

[(1, 1285636960), (2, 642818480), (4, 321409240), (5, 257127392), (8, 160704620), (10, 128563696), (16, 80352310), (20, 64281848), (31, 41472160), (32, 40176155), (40, 32140924), (62, 20736080), (80, 16070462), (124, 10368040), (155, 8294432), (160, 8035231), (248, 5184020), (310, 4147216), (496, 2592010), (620, 2073608), (992, 1296005), (1240, 1036804), (2480, 518402), (4960, 259201)]