90217040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{49031}}^1$

素因数の和:49067

約数の個数: 40

約数和(自身を含む): 218878848

約数和(自身を除く): 128661808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 49031, 98062, 196124, 245155, 392248, 490310, 784496, 980620, 1127713, 1961240, 2255426, 3922480, 4510852, 5638565, 9021704, 11277130, 18043408, 22554260, 45108520, 90217040]

約数ペア:

[(1, 90217040), (2, 45108520), (4, 22554260), (5, 18043408), (8, 11277130), (10, 9021704), (16, 5638565), (20, 4510852), (23, 3922480), (40, 2255426), (46, 1961240), (80, 1127713), (92, 980620), (115, 784496), (184, 490310), (230, 392248), (368, 245155), (460, 196124), (920, 98062), (1840, 49031)]