71487760

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4937}}^1$

素因数の和:5131

約数の個数: 40

約数和(自身を含む): 167161176

約数和(自身を除く): 95673416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 4937, 7240, 9874, 14480, 19748, 24685, 39496, 49370, 78992, 98740, 197480, 394960, 893597, 1787194, 3574388, 4467985, 7148776, 8935970, 14297552, 17871940, 35743880, 71487760]

約数ペア:

[(1, 71487760), (2, 35743880), (4, 17871940), (5, 14297552), (8, 8935970), (10, 7148776), (16, 4467985), (20, 3574388), (40, 1787194), (80, 893597), (181, 394960), (362, 197480), (724, 98740), (905, 78992), (1448, 49370), (1810, 39496), (2896, 24685), (3620, 19748), (4937, 14480), (7240, 9874)]