420523280

素因数分解:

$2^4\times 5^1\times {\mathrm{367}}^1\times {\mathrm{14323}}^1$

素因数の和:14703

約数の個数: 40

約数和(自身を含む): 980449152

約数和(自身を除く): 559925872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 367, 734, 1468, 1835, 2936, 3670, 5872, 7340, 14323, 14680, 28646, 29360, 57292, 71615, 114584, 143230, 229168, 286460, 572920, 1145840, 5256541, 10513082, 21026164, 26282705, 42052328, 52565410, 84104656, 105130820, 210261640, 420523280]

約数ペア:

[(1, 420523280), (2, 210261640), (4, 105130820), (5, 84104656), (8, 52565410), (10, 42052328), (16, 26282705), (20, 21026164), (40, 10513082), (80, 5256541), (367, 1145840), (734, 572920), (1468, 286460), (1835, 229168), (2936, 143230), (3670, 114584), (5872, 71615), (7340, 57292), (14323, 29360), (14680, 28646)]