4080641120

素因数分解:

$2^5\times 5^1\times {\mathrm{389}}^1\times {\mathrm{65563}}^1$

素因数の和:65967

約数の個数: 48

約数和(自身を含む): 9665444880

約数和(自身を除く): 5584803760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 389, 778, 1556, 1945, 3112, 3890, 6224, 7780, 12448, 15560, 31120, 62240, 65563, 131126, 262252, 327815, 524504, 655630, 1049008, 1311260, 2098016, 2622520, 5245040, 10490080, 25504007, 51008014, 102016028, 127520035, 204032056, 255040070, 408064112, 510080140, 816128224, 1020160280, 2040320560, 4080641120]

約数ペア:

[(1, 4080641120), (2, 2040320560), (4, 1020160280), (5, 816128224), (8, 510080140), (10, 408064112), (16, 255040070), (20, 204032056), (32, 127520035), (40, 102016028), (80, 51008014), (160, 25504007), (389, 10490080), (778, 5245040), (1556, 2622520), (1945, 2098016), (3112, 1311260), (3890, 1049008), (6224, 655630), (7780, 524504), (12448, 327815), (15560, 262252), (31120, 131126), (62240, 65563)]