26821320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{563}}^1$

素因数の和:974

約数の個数: 64

約数和(自身を含む): 80809920

約数和(自身を除く): 53988600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 397, 563, 794, 1126, 1191, 1588, 1689, 1985, 2252, 2382, 2815, 3176, 3378, 3970, 4504, 4764, 5630, 5955, 6756, 7940, 8445, 9528, 11260, 11910, 13512, 15880, 16890, 22520, 23820, 33780, 47640, 67560, 223511, 447022, 670533, 894044, 1117555, 1341066, 1788088, 2235110, 2682132, 3352665, 4470220, 5364264, 6705330, 8940440, 13410660, 26821320]

約数ペア:

[(1, 26821320), (2, 13410660), (3, 8940440), (4, 6705330), (5, 5364264), (6, 4470220), (8, 3352665), (10, 2682132), (12, 2235110), (15, 1788088), (20, 1341066), (24, 1117555), (30, 894044), (40, 670533), (60, 447022), (120, 223511), (397, 67560), (563, 47640), (794, 33780), (1126, 23820), (1191, 22520), (1588, 16890), (1689, 15880), (1985, 13512), (2252, 11910), (2382, 11260), (2815, 9528), (3176, 8445), (3378, 7940), (3970, 6756), (4504, 5955), (4764, 5630)]