28494320

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5839}}^1$

素因数の和:5913

約数の個数: 40

約数和(自身を含む): 67346880

約数和(自身を除く): 38852560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 5839, 11678, 23356, 29195, 46712, 58390, 93424, 116780, 233560, 356179, 467120, 712358, 1424716, 1780895, 2849432, 3561790, 5698864, 7123580, 14247160, 28494320]

約数ペア:

[(1, 28494320), (2, 14247160), (4, 7123580), (5, 5698864), (8, 3561790), (10, 2849432), (16, 1780895), (20, 1424716), (40, 712358), (61, 467120), (80, 356179), (122, 233560), (244, 116780), (305, 93424), (488, 58390), (610, 46712), (976, 29195), (1220, 23356), (2440, 11678), (4880, 5839)]