921605920

素因数分解:

$2^5\times 5^1\times {\mathrm{229}}^1\times {\mathrm{25153}}^1$

素因数の和:25397

約数の個数: 48

約数和(自身を含む): 2186888760

約数和(自身を除く): 1265282840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 229, 458, 916, 1145, 1832, 2290, 3664, 4580, 7328, 9160, 18320, 25153, 36640, 50306, 100612, 125765, 201224, 251530, 402448, 503060, 804896, 1006120, 2012240, 4024480, 5760037, 11520074, 23040148, 28800185, 46080296, 57600370, 92160592, 115200740, 184321184, 230401480, 460802960, 921605920]

約数ペア:

[(1, 921605920), (2, 460802960), (4, 230401480), (5, 184321184), (8, 115200740), (10, 92160592), (16, 57600370), (20, 46080296), (32, 28800185), (40, 23040148), (80, 11520074), (160, 5760037), (229, 4024480), (458, 2012240), (916, 1006120), (1145, 804896), (1832, 503060), (2290, 402448), (3664, 251530), (4580, 201224), (7328, 125765), (9160, 100612), (18320, 50306), (25153, 36640)]