16996640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5591}}^1$

素因数の和:5625

約数の個数: 48

約数和(自身を含む): 42275520

約数和(自身を除く): 25278880

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, 5591, 11182, 22364, 27955, 44728, 55910, 89456, 106229, 111820, 178912, 212458, 223640, 424916, 447280, 531145, 849832, 894560, 1062290, 1699664, 2124580, 3399328, 4249160, 8498320, 16996640]

約数ペア:

[(1, 16996640), (2, 8498320), (4, 4249160), (5, 3399328), (8, 2124580), (10, 1699664), (16, 1062290), (19, 894560), (20, 849832), (32, 531145), (38, 447280), (40, 424916), (76, 223640), (80, 212458), (95, 178912), (152, 111820), (160, 106229), (190, 89456), (304, 55910), (380, 44728), (608, 27955), (760, 22364), (1520, 11182), (3040, 5591)]