90516560

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12713}}^1$

素因数の和:12815

約数の個数: 40

約数和(自身を含む): 212832360

約数和(自身を除く): 122315800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 12713, 25426, 50852, 63565, 101704, 127130, 203408, 254260, 508520, 1017040, 1131457, 2262914, 4525828, 5657285, 9051656, 11314570, 18103312, 22629140, 45258280, 90516560]

約数ペア:

[(1, 90516560), (2, 45258280), (4, 22629140), (5, 18103312), (8, 11314570), (10, 9051656), (16, 5657285), (20, 4525828), (40, 2262914), (80, 1131457), (89, 1017040), (178, 508520), (356, 254260), (445, 203408), (712, 127130), (890, 101704), (1424, 63565), (1780, 50852), (3560, 25426), (7120, 12713)]