40219760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71821}}^1$

素因数の和:71841

約数の個数: 40

約数和(自身を含む): 106871136

約数和(自身を除く): 66651376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 71821, 143642, 287284, 359105, 502747, 574568, 718210, 1005494, 1149136, 1436420, 2010988, 2513735, 2872840, 4021976, 5027470, 5745680, 8043952, 10054940, 20109880, 40219760]

約数ペア:

[(1, 40219760), (2, 20109880), (4, 10054940), (5, 8043952), (7, 5745680), (8, 5027470), (10, 4021976), (14, 2872840), (16, 2513735), (20, 2010988), (28, 1436420), (35, 1149136), (40, 1005494), (56, 718210), (70, 574568), (80, 502747), (112, 359105), (140, 287284), (280, 143642), (560, 71821)]