64947460

素因数分解:

$2^2\times 5^1\times {\mathrm{773}}^1\times {\mathrm{4201}}^1$

素因数の和:4983

約数の個数: 24

約数和(自身を含む): 136598616

約数和(自身を除く): 71651156

約数列:

[1, 2, 4, 5, 10, 20, 773, 1546, 3092, 3865, 4201, 7730, 8402, 15460, 16804, 21005, 42010, 84020, 3247373, 6494746, 12989492, 16236865, 32473730, 64947460]

約数ペア:

[(1, 64947460), (2, 32473730), (4, 16236865), (5, 12989492), (10, 6494746), (20, 3247373), (773, 84020), (1546, 42010), (3092, 21005), (3865, 16804), (4201, 15460), (7730, 8402)]