17251720

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1303}}^1$

素因数の和:1645

約数の個数: 32

約数和(自身を含む): 38963520

約数和(自身を除く): 21711800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1303, 1324, 1655, 2606, 2648, 3310, 5212, 6515, 6620, 10424, 13030, 13240, 26060, 52120, 431293, 862586, 1725172, 2156465, 3450344, 4312930, 8625860, 17251720]

約数ペア:

[(1, 17251720), (2, 8625860), (4, 4312930), (5, 3450344), (8, 2156465), (10, 1725172), (20, 862586), (40, 431293), (331, 52120), (662, 26060), (1303, 13240), (1324, 13030), (1655, 10424), (2606, 6620), (2648, 6515), (3310, 5212)]