80196944

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{647}}^1$

素因数の和:843

約数の個数: 40

約数和(自身を含む): 159418368

約数和(自身を除く): 79221424

約数列:

[1, 2, 4, 8, 16, 61, 122, 127, 244, 254, 488, 508, 647, 976, 1016, 1294, 2032, 2588, 5176, 7747, 10352, 15494, 30988, 39467, 61976, 78934, 82169, 123952, 157868, 164338, 315736, 328676, 631472, 657352, 1314704, 5012309, 10024618, 20049236, 40098472, 80196944]

約数ペア:

[(1, 80196944), (2, 40098472), (4, 20049236), (8, 10024618), (16, 5012309), (61, 1314704), (122, 657352), (127, 631472), (244, 328676), (254, 315736), (488, 164338), (508, 157868), (647, 123952), (976, 82169), (1016, 78934), (1294, 61976), (2032, 39467), (2588, 30988), (5176, 15494), (7747, 10352)]