47407280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31189}}^1$

素因数の和:31221

約数の個数: 40

約数和(自身を含む): 116026800

約数和(自身を除く): 68619520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 31189, 62378, 124756, 155945, 249512, 311890, 499024, 592591, 623780, 1185182, 1247560, 2370364, 2495120, 2962955, 4740728, 5925910, 9481456, 11851820, 23703640, 47407280]

約数ペア:

[(1, 47407280), (2, 23703640), (4, 11851820), (5, 9481456), (8, 5925910), (10, 4740728), (16, 2962955), (19, 2495120), (20, 2370364), (38, 1247560), (40, 1185182), (76, 623780), (80, 592591), (95, 499024), (152, 311890), (190, 249512), (304, 155945), (380, 124756), (760, 62378), (1520, 31189)]