8456680

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3989}}^1$

素因数の和:4053

約数の個数: 32

約数和(自身を含む): 19391400

約数和(自身を除く): 10934720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 3989, 7978, 15956, 19945, 31912, 39890, 79780, 159560, 211417, 422834, 845668, 1057085, 1691336, 2114170, 4228340, 8456680]

約数ペア:

[(1, 8456680), (2, 4228340), (4, 2114170), (5, 1691336), (8, 1057085), (10, 845668), (20, 422834), (40, 211417), (53, 159560), (106, 79780), (212, 39890), (265, 31912), (424, 19945), (530, 15956), (1060, 7978), (2120, 3989)]