97931980

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{7639}}^1$

素因数の和:8289

約数の個数: 24

約数和(自身を含む): 206004960

約数和(自身を除く): 108072980

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 7639, 12820, 15278, 30556, 38195, 76390, 152780, 4896599, 9793198, 19586396, 24482995, 48965990, 97931980]

約数ペア:

[(1, 97931980), (2, 48965990), (4, 24482995), (5, 19586396), (10, 9793198), (20, 4896599), (641, 152780), (1282, 76390), (2564, 38195), (3205, 30556), (6410, 15278), (7639, 12820)]