8392280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16139}}^1$

素因数の和:16163

約数の個数: 32

約数和(自身を含む): 20336400

約数和(自身を除く): 11944120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 16139, 32278, 64556, 80695, 129112, 161390, 209807, 322780, 419614, 645560, 839228, 1049035, 1678456, 2098070, 4196140, 8392280]

約数ペア:

[(1, 8392280), (2, 4196140), (4, 2098070), (5, 1678456), (8, 1049035), (10, 839228), (13, 645560), (20, 419614), (26, 322780), (40, 209807), (52, 161390), (65, 129112), (104, 80695), (130, 64556), (260, 32278), (520, 16139)]