30867280

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1601}}^1$

素因数の和:1855

約数の個数: 40

約数和(自身を含む): 72109224

約数和(自身を除く): 41241944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1601, 1928, 2410, 3202, 3856, 4820, 6404, 8005, 9640, 12808, 16010, 19280, 25616, 32020, 64040, 128080, 385841, 771682, 1543364, 1929205, 3086728, 3858410, 6173456, 7716820, 15433640, 30867280]

約数ペア:

[(1, 30867280), (2, 15433640), (4, 7716820), (5, 6173456), (8, 3858410), (10, 3086728), (16, 1929205), (20, 1543364), (40, 771682), (80, 385841), (241, 128080), (482, 64040), (964, 32020), (1205, 25616), (1601, 19280), (1928, 16010), (2410, 12808), (3202, 9640), (3856, 8005), (4820, 6404)]