28670240

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9431}}^1$

素因数の和:9465

約数の個数: 48

約数和(自身を含む): 71305920

約数和(自身を除く): 42635680

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, 9431, 18862, 37724, 47155, 75448, 94310, 150896, 179189, 188620, 301792, 358378, 377240, 716756, 754480, 895945, 1433512, 1508960, 1791890, 2867024, 3583780, 5734048, 7167560, 14335120, 28670240]

約数ペア:

[(1, 28670240), (2, 14335120), (4, 7167560), (5, 5734048), (8, 3583780), (10, 2867024), (16, 1791890), (19, 1508960), (20, 1433512), (32, 895945), (38, 754480), (40, 716756), (76, 377240), (80, 358378), (95, 301792), (152, 188620), (160, 179189), (190, 150896), (304, 94310), (380, 75448), (608, 47155), (760, 37724), (1520, 18862), (3040, 9431)]