2509840

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:379

約数の個数: 40

約数和(自身を含む): 5903640

約数和(自身を除く): 3393800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 229, 274, 458, 548, 685, 916, 1096, 1145, 1370, 1832, 2192, 2290, 2740, 3664, 4580, 5480, 9160, 10960, 18320, 31373, 62746, 125492, 156865, 250984, 313730, 501968, 627460, 1254920, 2509840]

約数ペア:

[(1, 2509840), (2, 1254920), (4, 627460), (5, 501968), (8, 313730), (10, 250984), (16, 156865), (20, 125492), (40, 62746), (80, 31373), (137, 18320), (229, 10960), (274, 9160), (458, 5480), (548, 4580), (685, 3664), (916, 2740), (1096, 2290), (1145, 2192), (1370, 1832)]