201782080

素因数分解:

$2^6\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1621}}^1$

素因数の和:2027

約数の個数: 56

約数和(自身を含む): 482025960

約数和(自身を除く): 280243880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 389, 778, 1556, 1621, 1945, 3112, 3242, 3890, 6224, 6484, 7780, 8105, 12448, 12968, 15560, 16210, 24896, 25936, 31120, 32420, 51872, 62240, 64840, 103744, 124480, 129680, 259360, 518720, 630569, 1261138, 2522276, 3152845, 5044552, 6305690, 10089104, 12611380, 20178208, 25222760, 40356416, 50445520, 100891040, 201782080]

約数ペア:

[(1, 201782080), (2, 100891040), (4, 50445520), (5, 40356416), (8, 25222760), (10, 20178208), (16, 12611380), (20, 10089104), (32, 6305690), (40, 5044552), (64, 3152845), (80, 2522276), (160, 1261138), (320, 630569), (389, 518720), (778, 259360), (1556, 129680), (1621, 124480), (1945, 103744), (3112, 64840), (3242, 62240), (3890, 51872), (6224, 32420), (6484, 31120), (7780, 25936), (8105, 24896), (12448, 16210), (12968, 15560)]