89420620

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^2\times {\mathrm{839}}^1$

素因数の和:994

約数の個数: 36

約数和(自身を含む): 190617840

約数和(自身を除く): 101197220

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 839, 1460, 1678, 3356, 4195, 5329, 8390, 10658, 16780, 21316, 26645, 53290, 61247, 106580, 122494, 244988, 306235, 612470, 1224940, 4471031, 8942062, 17884124, 22355155, 44710310, 89420620]

約数ペア:

[(1, 89420620), (2, 44710310), (4, 22355155), (5, 17884124), (10, 8942062), (20, 4471031), (73, 1224940), (146, 612470), (292, 306235), (365, 244988), (730, 122494), (839, 106580), (1460, 61247), (1678, 53290), (3356, 26645), (4195, 21316), (5329, 16780), (8390, 10658)]