51438460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{677}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 112764960

約数和(自身を除く): 61326500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 131, 145, 262, 290, 524, 580, 655, 677, 1310, 1354, 2620, 2708, 3385, 3799, 6770, 7598, 13540, 15196, 18995, 19633, 37990, 39266, 75980, 78532, 88687, 98165, 177374, 196330, 354748, 392660, 443435, 886870, 1773740, 2571923, 5143846, 10287692, 12859615, 25719230, 51438460]

約数ペア:

[(1, 51438460), (2, 25719230), (4, 12859615), (5, 10287692), (10, 5143846), (20, 2571923), (29, 1773740), (58, 886870), (116, 443435), (131, 392660), (145, 354748), (262, 196330), (290, 177374), (524, 98165), (580, 88687), (655, 78532), (677, 75980), (1310, 39266), (1354, 37990), (2620, 19633), (2708, 18995), (3385, 15196), (3799, 13540), (6770, 7598)]