89647480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{172399}}^1$

素因数の和:172423

約数の個数: 32

約数和(自身を含む): 217224000

約数和(自身を除く): 127576520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 172399, 344798, 689596, 861995, 1379192, 1723990, 2241187, 3447980, 4482374, 6895960, 8964748, 11205935, 17929496, 22411870, 44823740, 89647480]

約数ペア:

[(1, 89647480), (2, 44823740), (4, 22411870), (5, 17929496), (8, 11205935), (10, 8964748), (13, 6895960), (20, 4482374), (26, 3447980), (40, 2241187), (52, 1723990), (65, 1379192), (104, 861995), (130, 689596), (260, 344798), (520, 172399)]