20160127520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{53549}}^1$

素因数の和:53758

約数の個数: 96

約数和(自身を含む): 51576361200

約数和(自身を除く): 31416233680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 181, 208, 260, 362, 416, 520, 724, 905, 1040, 1448, 1810, 2080, 2353, 2896, 3620, 4706, 5792, 7240, 9412, 11765, 14480, 18824, 23530, 28960, 37648, 47060, 53549, 75296, 94120, 107098, 188240, 214196, 267745, 376480, 428392, 535490, 696137, 856784, 1070980, 1392274, 1713568, 2141960, 2784548, 3480685, 4283920, 5569096, 6961370, 8567840, 9692369, 11138192, 13922740, 19384738, 22276384, 27845480, 38769476, 48461845, 55690960, 77538952, 96923690, 111381920, 126000797, 155077904, 193847380, 252001594, 310155808, 387694760, 504003188, 630003985, 775389520, 1008006376, 1260007970, 1550779040, 2016012752, 2520015940, 4032025504, 5040031880, 10080063760, 20160127520]

約数ペア:

[(1, 20160127520), (2, 10080063760), (4, 5040031880), (5, 4032025504), (8, 2520015940), (10, 2016012752), (13, 1550779040), (16, 1260007970), (20, 1008006376), (26, 775389520), (32, 630003985), (40, 504003188), (52, 387694760), (65, 310155808), (80, 252001594), (104, 193847380), (130, 155077904), (160, 126000797), (181, 111381920), (208, 96923690), (260, 77538952), (362, 55690960), (416, 48461845), (520, 38769476), (724, 27845480), (905, 22276384), (1040, 19384738), (1448, 13922740), (1810, 11138192), (2080, 9692369), (2353, 8567840), (2896, 6961370), (3620, 5569096), (4706, 4283920), (5792, 3480685), (7240, 2784548), (9412, 2141960), (11765, 1713568), (14480, 1392274), (18824, 1070980), (23530, 856784), (28960, 696137), (37648, 535490), (47060, 428392), (53549, 376480), (75296, 267745), (94120, 214196), (107098, 188240)]