9690320

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1361}}^1$

素因数の和:1463

約数の個数: 40

約数和(自身を含む): 22799880

約数和(自身を除く): 13109560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1361, 1424, 1780, 2722, 3560, 5444, 6805, 7120, 10888, 13610, 21776, 27220, 54440, 108880, 121129, 242258, 484516, 605645, 969032, 1211290, 1938064, 2422580, 4845160, 9690320]

約数ペア:

[(1, 9690320), (2, 4845160), (4, 2422580), (5, 1938064), (8, 1211290), (10, 969032), (16, 605645), (20, 484516), (40, 242258), (80, 121129), (89, 108880), (178, 54440), (356, 27220), (445, 21776), (712, 13610), (890, 10888), (1361, 7120), (1424, 6805), (1780, 5444), (2722, 3560)]