25890720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{53939}}^1$

素因数の和:53957

約数の個数: 48

約数和(自身を含む): 81557280

約数和(自身を除く): 55666560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 53939, 107878, 161817, 215756, 269695, 323634, 431512, 539390, 647268, 809085, 863024, 1078780, 1294536, 1618170, 1726048, 2157560, 2589072, 3236340, 4315120, 5178144, 6472680, 8630240, 12945360, 25890720]

約数ペア:

[(1, 25890720), (2, 12945360), (3, 8630240), (4, 6472680), (5, 5178144), (6, 4315120), (8, 3236340), (10, 2589072), (12, 2157560), (15, 1726048), (16, 1618170), (20, 1294536), (24, 1078780), (30, 863024), (32, 809085), (40, 647268), (48, 539390), (60, 431512), (80, 323634), (96, 269695), (120, 215756), (160, 161817), (240, 107878), (480, 53939)]