27985480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1601}}^1$

素因数の和:1654

約数の個数: 64

約数和(自身を含む): 69206400

約数和(自身を除く): 41220920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1601, 1748, 2185, 3202, 3496, 4370, 6404, 8005, 8740, 12808, 16010, 17480, 30419, 32020, 36823, 60838, 64040, 73646, 121676, 147292, 152095, 184115, 243352, 294584, 304190, 368230, 608380, 699637, 736460, 1216760, 1399274, 1472920, 2798548, 3498185, 5597096, 6996370, 13992740, 27985480]

約数ペア:

[(1, 27985480), (2, 13992740), (4, 6996370), (5, 5597096), (8, 3498185), (10, 2798548), (19, 1472920), (20, 1399274), (23, 1216760), (38, 736460), (40, 699637), (46, 608380), (76, 368230), (92, 304190), (95, 294584), (115, 243352), (152, 184115), (184, 152095), (190, 147292), (230, 121676), (380, 73646), (437, 64040), (460, 60838), (760, 36823), (874, 32020), (920, 30419), (1601, 17480), (1748, 16010), (2185, 12808), (3202, 8740), (3496, 8005), (4370, 6404)]